Fair Value Disclosures [Abstract] Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value Measurements, Recurring and Nonrecurring [Table] Measurement Basis [Axis] Measurement Basis [Axis] Fair Value Measurement [Domain] Fair Value Measurement [Domain] Estimate of Fair Value Measurement [Member] Estimate of Fair Value Measurement [Member] Reported Value Measurement [Member] Reported Value Measurement [Member] Debt Instrument Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] 2% Convertible Notes Convertible Notes, 2 percent, Due June 15, 2019 [Member] Convertible Notes, 2 Percent, Due June 15, 2019 [Member] Fair Value, Hierarchy [Axis] Fair Value, Hierarchy [Axis] Fair Value Hierarchy [Domain] Fair Value Hierarchy [Domain] Level 1 Fair Value, Inputs, Level 1 [Member] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] 2% Convertible Senior Notes Debt Instrument, Fair Value Disclosure Fair Value, Assets Measured on Recurring and Nonrecurring Basis Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Table Text Block] Fair Value, Liabilities Measured on Recurring and Nonrecurring Basis Fair Value, Liabilities Measured on Recurring and Nonrecurring Basis [Table Text Block] Inventory Policy [Abstract] Inventory Policy [Abstract] Accounts Receivable and Allowance for Doubtful Accounts Trade and Other Accounts Receivable, Policy [Policy Text Block] Goodwill and Intangible Assets Disclosure [Abstract] Expected Amortization Expense [Table] Expected Amortization Expense [Table] Expected Amortization Expense [Table] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Customer Relationships [Member] Customer Relationships [Member] Tradename [Member] Trade Names [Member] Expected Amortization Expense [Line Items] Expected Amortization Expense [Line Items] Expected Amortization Expense [Line Items] 2015 (remaining) Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year 2016 Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months 2017 Finite-Lived Intangible Assets, Amortization Expense, Year Two 2018 Finite-Lived Intangible Assets, Amortization Expense, Year Three 2019 Finite-Lived Intangible Assets, Amortization Expense, Year Four Thereafter Finite-Lived Intangible Assets, Amortization Expense, after Year Five Total Finite-Lived Intangible Assets, Net Receivables [Abstract] Components of Accounts Receivable Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Disclosure Debt Additional Information [Abstract] Disclosure Debt Additional Information [Abstract] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Related Party [Axis] Related Party [Axis] Related Party [Domain] Related Party [Domain] Investor Investor [Member] Legal Entity [Axis] Legal Entity [Axis] Entity [Domain] Entity [Domain] 5.375% Convertible Notes Convertible Senior Notes Five Point Three Seven Five Percent Due June Fifteen Twenty Thirteen [Member] Convertible Senior Notes, 5.375 Percent, Due June 15, 2013 [Member] 3.75% Convertible Notes Convertible Notes Three Point Seven Five Percent Due June Fifteen Twenty Sixteen [Member] Convertible Notes, 3.75 Percent, Due June 15, 2016 [Member] Event Timing Event Timing [Axis] Event Timing [Axis] Event Timing [Domain] Event Timing [Domain] Event Timing [Domain] Semi Annual Payment, First Payment Semi Annual Payment First Payment [Member] Semi Annual Payment, First Payment [Member] Semi Annual Payment, Second Payment Semi Annual Payment Second Payment [Member] Semi Annual Payment, Second Payment [Member] Types of Transactions Types Of Transactions [Axis] Types of Transactions [Axis] Types of Transactions [Domain] Types Of Transactions [Domain] Types of Transactions [Domain] Modified Debt Debt Modifications [Member] Debt Modifications [Member] Debt discount related to premium payment in connection with the purchase of Group One [Member] Group One [Member] Debt discount related to the increase in the value of the conversion feature. Group Two [Member] Group Two [Member] New Debt Debt [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Principal amount of Senior Notes Debt Instrument, Face Amount Portion of 2% Notes purchased by 3.75% holders Portion of 2% Notes purchased by 3.75% holders Portion of 2% Notes purchased by 3.75% holders Amount allocated to debt Amount allocated to debt Amount allocated to debt Other Assets, Fair Value Disclosure Other Assets, Fair Value Disclosure Amount allocated to equity Amount allocated to equity Amount allocated to equity Loss on debt extinguishment Gains (Losses) on Extinguishment of Debt Shares Issued with debt conversion Debt Conversion, Converted Instrument, Shares Issued Debt Instrument, Redemption, Principal Amount Debt Instrument, Redemption, Principal Amount Debt Instrument, Redemption, Principal Amount Repayment of remaining prinicpal amount including interest Repayment of remaining prinicpal amount including interest Repayment of remaining prinicpal amount including interest Debt, interest rate Debt Instrument, Interest Rate, Stated Percentage Debt, maturity date Debt Instrument, Maturity Date Debt Instrument, Repurchased Face Amount Debt Instrument, Repurchased Face Amount Frequency of interest payment Debt Instrument, Frequency of Periodic Payment Interest payment date Debt Instrument Interest Rate Payment Day And Month Debt Instrument Interest Rate Payment Day And Month Debt conversion rate Debt Instrument, Convertible, Conversion Ratio Principal amount per note used in conversion rate Principal Amount Per Note Used In Conversion Rate Principal Amount Per Note Used in Conversion Rate Conversion price, per share Debt Instrument, Convertible, Conversion Price Unamortized discount Debt Instrument, Unamortized Discount Nonconvertible debt borrowing rate Debt Instrument, Interest Rate, Effective Percentage Debt discount amortization period Debt Instrument, Convertible, Remaining Discount Amortization Period Deferred financing costs Deferred Finance Costs, Noncurrent, Gross Finance costs reclassified against equity Finance Costs Reclassed Against Equity The balance of deferred finance costs which were reclassified as an offset to the value of the amount of the convertible debt allocated to equity. Deferred financing costs, amortization period Amortization Period For Deferred Finance Costs Amortization period for deferred finance costs (in years). Transaction fees Debt Related Commitment Fees and Debt Issuance Costs Payments of long-term debt Repayments of Long-term Debt Debt Instrument repurchase premium in dollars Debt Instrument repurchase premium in dollars The premium (in $) on the principal amount of the debt at which the Company repurchased outstanding principal. Principal Amount Of Old Debt Held Principal Amount Of Old Debt Held Principal Amount Of Old Debt Held Repurchase premium Debt Instrument Repurchase Premium The percentage premium on the principal amount of the debt at which the Company repurchased outstanding principal. Principal Amount Of Modified Debt Held Principal Amount Of Modified Debt Held Amount of modified debt held by investors in the Notes Interest expense related to Notes Interest Expense, Long-term Debt Percentage required of the last reported sale price per share of the Company's common stock for redemption Required Percentage Of Sale Price Per Share Of Stock For Redemption Required Percentage of Sale Price Per Share of Stock for Redemption Number of trading days Number Of Trading Days Number Of Trading Days Number of consecutive trading days Number Of Consecutive Trading Days Number Of Consecutive Trading Days Principal amount of debt converted Debt Conversion, Original Debt, Amount Principal debt amount issued to new investors Principal Debt Amount Issued To New Investors Represents the principal amount of the debt which was issued to new investors. Long-term debt, net of discount Long-term Debt, Excluding Current Maturities Non-cash interest Amortization of Financing Costs and Discounts Deferred Financing Costs, Gross Deferred Finance Costs, Gross Issuance of common stock pursuant to conversion of debt Stock Issued During Period, Value, Conversion of Convertible Securities Total Consideration Paid Total Consideration Paid Total Consideration Paid Income Tax Policy [Abstract] Income Tax Policy [Abstract] Income Taxes Income Tax, Policy [Policy Text Block] Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangement by Share-based Payment Award Award Type [Axis] Award Type [Domain] Equity Award [Domain] Performance based stock options [Member] Performance based stock options [Member] Stock options with graded vesting with potential acceleration due to the achievement of certain performance conditions [Member] Restricted Stock Units Restricted Stock Units (RSUs) [Member] Performance Shares Performance Shares [Member] Employee Stock Option Employee Stock Option [Member] Range Range [Axis] Range [Domain] Range [Domain] Maximum Maximum [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Shares granted during the period Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Vesting period Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Other than options - granted in period, weighted average fair value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Other than options - grant date fair value Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Aggregate Fair Value Share based Compensation Arrangement by Share based Payment Award, Equity Instruments Other than Options, Grants in Period, Aggregate Fair Value Stock-based compensation expense Allocated Share-based Compensation Expense Total unrecognized compensation expense Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized Total unrecognized compensation expense weighted-average period Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition Accounting Policies [Abstract] Intangibles and Other Long-Lived Assets Intangible Assets, Finite-Lived, Policy [Policy Text Block] Equity Shareholders' Equity and Share-based Payments [Text Block] Disclosure Income Taxes Additional Information [Abstract] Disclosure Income Taxes Additional Information [Abstract] Significant Accounting Policies [Table] Significant Accounting Policies [Table] Significant Accounting Policies [Table] Minimum Minimum [Member] Significant Accounting Policies [Line Items] Significant Accounting Policies [Line Items] Significant Accounting Policies [Line Items] Number of Open Tax Years Number of Open Tax Years Number of Open Tax Years Unrecognized Tax Benefits Unrecognized Tax Benefits Trade receivables Accounts Receivable, Gross, Current Allowance for doubtful accounts Allowance for Doubtful Accounts Receivable, Current Total accounts receivable Accounts Receivable, Net, Current Disclosure Outstanding Convertible Debt And Related Deferred Financing Costs [Abstract] Disclosure - Outstanding Convertible Debt and Related Deferred Financing Costs [Abstract] Principal amount of Senior Notes Unamortized discount Deferred financing costs Deferred Finance Costs, Noncurrent, Net Leases [Abstract] Schedule of Capital Leased Assets [Table] Schedule of Capital Leased Assets [Table] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Domain] Property, Plant and Equipment, Type [Domain] Machinery and Equipment [Member] Machinery and Equipment [Member] Capital Leased Assets [Line Items] Capital Leased Assets [Line Items] Manufacturing equipment Capital Leased Assets, Gross Repayment Period for Capital Lease Obligations Repayment Period for Capital Lease Obligations Repayment Period for Capital Lease Obligations Capital Leases of Lessee, Contingent Rentals, Effective Interest Rate Capital Leases of Lessee, Contingent Rentals, Effective Interest Rate Capital Leases of Lessee, Contingent Rentals, Effective Interest Rate Purchases of property and equipment under capital lease Capital Lease Obligations Incurred Property, Plant and Equipment, Useful Life Property, Plant and Equipment, Useful Life Amortization Expense Capital Leases, Income Statement, Amortization Expense Interest Expense Capital Leases, Income Statement, Interest Expense Disclosure Product Warranty Costs Additional Information [Abstract] Disclosure - Product Warranty Costs - Additional Information [Abstract] Schedule of Accrued Liabilities [Table] Schedule Of Accrued Liabilities [Table] Schedule of Accrued Liabilities [Table] Schedule of Accrued Liabilities [Line Items] Schedule Of Accrued Liabilities [Line Items] Schedule of Accrued Liabilities [Line Items] Product warranty term for PDMs Product Warranty Term Product Warranty Term Schedule of Acquired Finite-Lived Intangible Asset by Major Class [Table] Schedule of Acquired Finite-Lived Intangible Asset by Major Class [Table] Acquired Finite-Lived Intangible Assets [Line Items] Acquired Finite-Lived Intangible Assets [Line Items] Other intangible assets cost Finite-Lived Intangible Assets, Gross Less: Accumulated amortization Finite-Lived Intangible Assets, Accumulated Amortization Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Leases, Capital [Abstract] Schedule of Capital Leased Assets Schedule of Capital Leased Assets [Table Text Block] Schedule of Future Minimum Lease Payments for Capital Leases Schedule of Future Minimum Lease Payments for Capital Leases [Table Text Block] Disclosure Summary Of Restricted Stock Units [Abstract] Disclosure Summary Of Restricted Stock Units [Abstract] Number of Shares Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Beginning balance (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Granted (in shares) Vested (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Forfeited (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Ending balance (in shares) Weighted Average Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward] Beginning balance (in USD per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Granted (in USD per share) Vested (in USD per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Forfeited (in USD per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Ending balance (in USD per share) Loss Contingencies [Table] Loss Contingencies [Table] Loss Contingencies by Name of Plaintiff Loss Contingencies By Name Of Plaintiff [Axis] Loss Contingencies by Name of Plaintiff [Axis] Loss Contingencies by Name of Plaintiff [Domain] Loss Contingencies By Name Of Plaintiff [Domain] Loss Contingencies by Name of Plaintiff [Domain] Office of the Massachusetts Attorney General [Member] Office of the Massachusetts Attorney General [Member] Office of the Massachusetts Attorney General [Member] Loss Contingencies [Line Items] Loss Contingencies [Line Items] Litigation Settlement, Amount Litigation Settlement, Expense Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Neighborhood Holdings Inc [Member] Neighborhood Holdings Inc [Member] Neighborhood Holdings, Inc [Member] Other intangible assets cost Finite-lived Intangible Assets Acquired Estimated useful life Finite-Lived Intangible Asset, Useful Life Accumulated amortization Amortization of other intangible assets Amortization of Intangible Assets Intangible asset, weighted average amortization period Acquired Finite-lived Intangible Assets, Weighted Average Useful Life Intangible assets Income Tax Disclosure [Abstract] Income Tax expense Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Statement of Financial Position [Abstract] Statement [Table] Statement [Table] Scenario Scenario [Axis] Scenario, Unspecified [Domain] Scenario, Unspecified [Domain] Class of Stock [Axis] Class of Stock [Axis] Class of Stock [Domain] Class of Stock [Domain] Statement [Line Items] Statement [Line Items] ASSETS Assets [Abstract] Current Assets Assets, Current [Abstract] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Accounts receivable, net Inventories Inventory, Net Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Total current assets Assets, Current Property and equipment, net Property, Plant and Equipment, Net Intangible assets, net Goodwill Goodwill Other assets Other Assets, Noncurrent Total assets Assets LIABILITIES AND STOCKHOLDERS’ EQUITY Liabilities and Equity [Abstract] Current Liabilities Liabilities, Current [Abstract] Accounts payable Accounts Payable, Current Accrued expenses and other current liabilities Accrued Liabilities, Current Deferred revenue Deferred Revenue, Current Current portion of capital lease obligations Capital Lease Obligations, Current Total current liabilities Liabilities, Current Capital lease obligations Capital Lease Obligations, Noncurrent Other long-term liabilities Other Liabilities, Noncurrent Total liabilities Liabilities Commitments and contingencies (Note 11) Commitments and Contingencies Stockholders’ Equity Stockholders' Equity Attributable to Parent [Abstract] Preferred stock, $.001 par value: Authorized: 5,000,000 shares at March 31, 2015 and December 31, 2014 Issued and outstanding: zero shares at March 31, 2015 and December 31, 2014 Preferred Stock, Value, Issued Common stock, $.001 par value: Authorized: 100,000,000 shares at March 31, 2015 and December 31, 2014. Issued and outstanding: 56,704,347 and 56,299,022 shares at March 31, 2015 and December 31, 2014, respectively Common Stock, Value, Issued Additional paid-in capital Additional Paid in Capital Accumulated deficit Retained Earnings (Accumulated Deficit) Total stockholders’ equity Stockholders' Equity Attributable to Parent Total liabilities and stockholders’ equity Liabilities and Equity Disclosure Income Tax Benefit Expense [Abstract] Disclosure - Income Tax Benefit (Expense) [Abstract] Income Tax Expenses [Table] Income Tax Expenses [Table] Income Tax Expenses [Table] Income Tax Expenses [Line Items] Income Tax Expenses [Line Items] Income Tax Expenses [Line Items] Current Current Income Tax Expense (Benefit) Deferred Deferred Income Tax Expense (Benefit) Total Income Tax Expense (Benefit) Disclosure Potential Common Shares Excluded From Computation Of Diluted Net Loss Per Share [Abstract] Disclosure - Potential Common Shares Excluded from Computation of Diluted Net Loss Per Share [Abstract] Potential Common Shares Excluded from Computation of Diluted Net Loss per Share Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Disclosure Product Warranty Liability [Abstract] Disclosure - Product Warranty Liability [Abstract] Product Warranty Costs Product Warranty Disclosure [Text Block] Schedule of Operating Leased Assets [Table] Schedule of Operating Leased Assets [Table] Statement, Geographical Geographical [Axis] Segment, Geographical [Domain] Geographical [Domain] Billerica, Massachusetts Billerica Massachusetts [Member] Billerica, Massachusetts [Member] Singapore SINGAPORE Florida FLORIDA New York NEW YORK Billerica Massachusetts, New Location - Warehouse [Member] Billerica Massachusetts, New Location - Warehouse [Member] Billerica Massachusetts, New Location - Warehouse Operating Leased Assets [Line Items] Operating Leased Assets [Line Items] Area of Real Estate Property Area of Real Estate Property Lease expiration date Lease Expiration Month And Year Lease Expiration, Month and Year Other Intangible Assets Intangible Assets Disclosure [Text Block] Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table] Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table] Employee Stock Purchase Plans Employee Stock Purchase Plans [Member] Employee Stock Purchase Plans [Member] Shares contingently issued under employee stock purchase plan Stock Issued During Period, Shares, Employee Stock Purchase Plans Components of Other Intangible Assets Schedule of Finite-Lived Intangible Assets [Table Text Block] Amortization Expense Expected for Next Five Years Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Disclosure Interest Expense [Abstract] Disclosure - Interest Expense [Abstract] Contractual coupon interest Debt Instrument Stated Coupon Rate Interest Expense Debt Instrument Stated Coupon Rate Interest Expense Accretion of debt discount Amortization of Debt Discount (Premium) Amortization of debt issuance costs Amortization of Financing Costs Interest and Other Expense, Total Interest and Other Expense, Total Interest and Other Expense, Total Net Loss Per Share Earnings Per Share [Text Block] Disclosure Components Of Inventories [Abstract] Disclosure Components Of Inventories [Abstract] Inventories Inventory Disclosure [Text Block] Disclosure Equity Additional Information [Abstract] Disclosure Equity Additional Information [Abstract] Title of Individual [Axis] Title of Individual [Axis] Relationship to Entity [Domain] Relationship to Entity [Domain] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Shares granted during the period Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures Options outstanding, shares Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Schedule of Inventory [Table] Schedule Of Inventory [Table] Schedule of Inventory [Table] Schedule of Inventory [Line Items] Schedule Of Inventory [Line Items] Schedule of Inventory [Line Items] Raw materials Inventory, Raw Materials, Gross Work-in-process Inventory, Work in Process, Gross Finished goods Inventory, Finished Goods, Gross Total inventories Composition of balance: Product Warranty Accrual, Balance Sheet Classification [Abstract] Short-term Product Warranty Accrual, Current Long-term Product Warranty Accrual, Noncurrent Total warranty balance Product Warranty Accrual Share Based Compensation Policy [Abstract] Share Based Compensation Policy [Abstract] Stock-Based Compensation Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block] Debt Disclosure [Abstract] Outstanding Convertible Debt and Related Deferred Financing Costs Schedule of Long-term Debt Instruments [Table Text Block] Interest and Other Expense Schedule Of Interest and Other Expense On Debt Table [Text Block] Schedule of Interest Expense on Debt Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Fair Value Measurements Fair Value Disclosures [Text Block] Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Use of Estimates in Preparation of Financial Statements Use of Estimates, Policy [Policy Text Block] Principles of Consolidation Consolidation, Policy [Policy Text Block] Cash and Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Property and Equipment Property, Plant and Equipment, Policy [Policy Text Block] Goodwill Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block] Revenue Recognition Revenue Recognition, Policy [Policy Text Block] Shipping and Handling Cost Shipping and Handling Cost, Policy [Policy Text Block] Concentration of Credit Risk Concentration Risk Disclosure [Text Block] Segment Reporting Segment Reporting, Policy [Policy Text Block] Recent Accounting Pronouncements Not Yet Adopted New Accounting Pronouncements, Policy [Policy Text Block] Organization, Consolidation and Presentation of Financial Statements [Abstract] Nature of Business [Table] Nature of Business [Table] Nature of Business Nature of Business [Line Items] Nature of Business [Line Items] [Line Items] for Nature of Business Number of Inches of Tubing in conventional insulin pump Number of Inches of Tubing in conventional insulin pump Number of Inches of Tubing in conventional insulin pump Components of Inventories Schedule of Inventory, Current [Table Text Block] Disclosure Stock Option Activity [Abstract] Disclosure Stock Option Activity [Abstract] Number of Options Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Beginning balance (in shares) Granted (in shares) Exercised (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Canceled (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period Ending balance (in shares) Vested, at end of period (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Vested and expected to vest, at end of period (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number Weighted Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Beginning balance (in USD per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Granted (in USD per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Exercised (in USD per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Canceled (in USD per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Ending balance (in USD per share) Vested, at end of period (in USD per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price Aggregate Intrinsic Value Share Based Compensation Arrangement By Share Based Payment Award Options Aggregate Intrinsic Value [Abstract] Share-based Compensation Arrangement by Share-based Payment Award, Options, Aggregate Intrinsic Value [Abstract] Exercised Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value Ending balance Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Vested, at end of period Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value Vested and expected to vest, at end of period Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value Stock Option Activity Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] Summary of Restricted Stock Units Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block] Disclosure Reconciliation Of Changes In Product Warranty Liability [Abstract] Disclosure - Reconciliation of Changes in Product Warranty Liability [Abstract] Movement in Standard and Extended Product Warranty, Increase (Decrease) [Roll Forward] Movement in Standard and Extended Product Warranty, Increase (Decrease) [Roll Forward] Balance at the beginning of the period Warranty expense Product Warranty Accrual, Warranties Issued Warranty claims settled Product Warranty Accrual, Payments Balance at the end of the period Schedule of Accounts Receivable [Table] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Major Customers [Axis] Customer [Axis] Customer [Domain] Customer [Domain] Customer One One Customer Member [Member] One Customer Member [Member] Customer Two [Member] Customer Two [Member] Customer Two [Member] Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts, Notes, Loans and Financing Receivable [Line Items] Number of customers that accounted for more than 10% of gross accounts receivable Number Of Customers With Greater Than Ten Percent Accounts Receivable Balance Number of Customers With Greater Than Ten Percent Accounts Receivable Balance Percentage of gross accounts receivable for major customer Concentration Risk, Percentage Reconciliation of Changes in Product Warranty Liability Schedule of Product Warranty Liability [Table Text Block] Disclosure Aggregate Future Minimum Lease Payments [Abstract] Disclosure - Aggregate Future Minimum Lease Payments [Abstract] Minimum Lease Payments Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] 2015 (remaining) Operating Leases, Future Minimum Payments, Remainder of Fiscal Year 2016 Operating Leases, Future Minimum Payments Due, Next Twelve Months 2017 Operating Leases, Future Minimum Payments, Due in Two Years 2018 Operating Leases, Future Minimum Payments, Due in Three Years 2019 Operating Leases, Future Minimum Payments, Due in Four Years Thereafter Operating Leases, Future Minimum Payments, Due Thereafter Total Operating Leases, Future Minimum Payments Due Nature of the Business Nature of Operations [Text Block] Aggregate Future Minimum Lease Payments Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block] Plan Name [Axis] Plan Name [Axis] Plan Name [Domain] Plan Name [Domain] Options outstanding, weighted average exercise price Options outstanding, weighted average remaining contractual life Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Options exercisable, shares Options exercisable, weighted average exercise price Options exercisable, weighted average remaining contractual life Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Stock Issued During Period, Shares, Employee Stock Purchase Plans Shares available for future issuance Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant Warranty Standard Product Warranty, Policy [Policy Text Block] Preferred stock, par value (in USD per share) Preferred Stock, Par or Stated Value Per Share Preferred stock, authorized Preferred Stock, Shares Authorized Preferred stock, issued Preferred Stock, Shares Issued Preferred stock, outstanding Preferred Stock, Shares Outstanding Common stock, par value (in USD per share) Common Stock, Par or Stated Value Per Share Common stock, authorized Common Stock, Shares Authorized Common stock, issued Common Stock, Shares, Issued Common stock, outstanding Common Stock, Shares, Outstanding Document Documentand Entity Information [Abstract] Document Documentand Entity Information [Abstract] Entities [Table] Entities [Table] Entity Information [Line Items] Entity Information [Line Items] Document Type Document Type Amendment Flag Amendment Flag Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Trading Symbol Trading Symbol Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Antidilutive Securities Excluded from Computation of Earnings Per Share, by Antidilutive Securities Antidilutive Securities [Axis] Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Outstanding options Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive securities excluded from computation of earnings per share, amount Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Statement of Cash Flows [Abstract] Cash flows from operating activities Net Cash Provided by (Used in) Operating Activities [Abstract] Net loss Net Income (Loss) Attributable to Parent Adjustments to reconcile net loss to net cash used in operating activities Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Depreciation and amortization Depreciation, Depletion and Amortization Non-cash interest and other expense Stock-based compensation expense Share-based Compensation Loss on extinguishment of debt Provision for bad debts Provision for Doubtful Accounts Changes in operating assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Accounts receivable Increase (Decrease) in Accounts Receivable Inventories Increase (Decrease) in Inventories Deferred revenue Increase (Decrease) in Deferred Revenue Prepaid expenses and other assets Increase (Decrease) in Prepaid Expense and Other Assets Accounts payable, accrued expenses and other current liabilities Increase Decrease In Accounts Payable Accrued Expenses And Other Liabilities The net change during the reporting period in the aggregate amount of accounts payable accrued expenses and other liabilities incurred but not paid. Other long-term liabilities Increase (Decrease) in Other Operating Liabilities Net cash used in operating activities Net Cash Provided by (Used in) Operating Activities Cash flows from investing activities Net Cash Provided by (Used in) Investing Activities [Abstract] Purchases of property and equipment Payments to Acquire Property, Plant, and Equipment Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Cash flows from financing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Principal payments of capital lease obligations Repayments of Long-term Capital Lease Obligations Proceeds from issuance of common stock Proceeds from Issuance of Common Stock Payment of withholding taxes in connection with vesting of restricted stock units Payments Related to Tax Withholding for Share-based Compensation Net cash provided by (used in) financing activities Net Cash Provided by (Used in) Financing Activities Net decrease in cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Cash and cash equivalents, beginning of period Cash and cash equivalents, end of period Non-cash investing and financing activities Other Noncash Investing and Financing Items [Abstract] Non-cash investing and financing activities Income Taxes Income Tax Disclosure [Text Block] Inventories Inventory, Policy [Policy Text Block] Operating Expenses [Abstract] Revenue Revenue, Net Cost of revenue Cost of Goods and Services Sold Gross profit Gross Profit Research and development Research and Development Expense General and administrative General and Administrative Expense Sales and marketing Selling and Marketing Expense Total operating expenses Operating Expenses Operating loss Operating Income (Loss) Interest income Investment Income, Interest Interest expense Interest Expense, Debt Other income, net Other Nonoperating Income (Expense) Loss on debt extinguishment Interest and other expense, net Nonoperating Income (Expense) Loss before income taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest Income tax expense Net loss Net loss per share basic and diluted Earnings Per Share, Basic and Diluted Weighted-average number of shares used in calculating net loss per share Weighted Average Number of Shares Outstanding, Basic and Diluted Debt Debt Disclosure [Text Block] Less: Accumulated amortization Capital Leases, Lessee Balance Sheet, Assets by Major Class, Accumulated Depreciation Total Capital Leases, Balance Sheet, Assets by Major Class, Net Fair Value of Financial Instruments Fair Value of Financial Instruments, Policy [Policy Text Block] Level 2 Fair Value, Inputs, Level 2 [Member] Level 3 Fair Value, Inputs, Level 3 [Member] Cash Equivalents - Money Market Funds Cash and Cash Equivalents, Fair Value Disclosure Disclosure Summary Of Significant Accounting Policies Additional Information [Abstract] Disclosure Summary Of Significant Accounting Policies Additional Information [Abstract] One Customer [Member] One Customer [Member] One Customer [Member] Revenue Type [Axis] Revenue Type [Axis] Revenue Type [Axis] Revenue Type [Domain] Revenue Type [Domain] [Domain] for Revenue Type [Axis] International Sales [Member] International Sales [Member] International Sales [Member] Restricted Cash Restricted Cash and Cash Equivalents Goodwill impairment loss Goodwill, Impairment Loss Right of return period for Starter Kits sales Return Period The period of time, in days, that the Company offers a right of return, and correspondingly defers revenue to reflect estimated sales returns in the same period that the related product sales are recorded. Deferred revenue Deferred Revenue Number of accredited financial institutions which the Company maintains the majority of its cash Number Of Financial Institution Number of Financial Institution Number of Single Source Suppliers Number of Single Source Suppliers Number of Single Source Suppliers Number of operating segment Number of Operating Segments Percentage Of Accounts Payable, Accrued Expenses, and Other Current Liabilities Percentage Of Accounts Payable, Accrued Expenses, and Other Current Liabilities Percentage Of Accounts Payable, Accrued Expenses, and Other Current Liabilities Segment Reporting, Disclosure of Major Customers Segment Reporting, Disclosure of Major Customers Percent of Revenue Percent of Revenue Percent of Revenue 2015 (remaining) Capital Leases, Future Minimum Payments, Remainder of Fiscal Year 2016 Capital Leases, Future Minimum Payments Due, Next Twelve Months 2017 Capital Leases, Future Minimum Payments Due in Two Years Total future minimum lease payments Capital Leases, Future Minimum Payments Due Interest Expense Capital Leases, Future Minimum Payments, Interest Included in Payments Total capital lease obligations Capital Leases, Future Minimum Payments, Present Value of Net Minimum Payments Accounts Receivable Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Capital Lease Obligations Capital Leases in Financial Statements of Lessee Disclosure [Text Block]