Entity Central Index Key Available for sale securities debt maturities after one through four years amortized cost. Common stock warrant liability. Document and Entity Information [Abstract] Document And Entity Information [Abstract] 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 Current Fiscal Year End Date Current Fiscal Year End Date Entity Well-known Seasoned Issuer Entity Well Known Seasoned Issuer Entity Current Reporting Status Entity Current Reporting Status Entity Voluntary Filers Entity Voluntary Filers Entity Filer Category Entity Filer Category Entity Common Stock, Shares Outstanding Entity Common Stock Shares Outstanding Entity Public Float Entity Public Float Deferred sales commission current. Accrued expenses and other liabilities, current Statement Of Financial Position [Abstract] ASSETS Assets [Abstract] Current assets: Assets Current [Abstract] Cash and cash equivalents Cash And Cash Equivalents At Carrying Value Marketable securities Available For Sale Securities Debt Securities Current Accounts receivable, net of allowances for doubtful accounts of $223 and $168 as of December 31, 2016 and 2015, respectively Accounts Receivable Net Current Deferred sales commissions Deferred Sales Commission Current Prepaid expenses and other current assets Prepaid Expense And Other Assets Current Total current assets Assets Current Capitalized software development costs, net Capitalized Software Development Costs For Software Sold To Customers Property and equipment, net Property Plant And Equipment Net Intangible assets, net Intangible Assets Net Excluding Goodwill Goodwill Goodwill Other assets Other Assets Noncurrent Total assets Assets LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities And Stockholders Equity [Abstract] Current liabilities: Liabilities Current [Abstract] Accounts payable Accounts Payable Current Accrued expenses and other current liabilities Accrued Expenses And Other Liabilities Current Deferred revenue Deferred Revenue Current Short-term portion of contingent consideration Business Combination Contingent Consideration Liability Current Total current liabilities Liabilities Current Term loan, net Long Term Line Of Credit Common stock warrant liability Warrants And Rights Outstanding Contingent consideration Business Combination Contingent Consideration Liability Noncurrent Deferred tax liabilities, net Deferred Tax Liabilities Deferred revenue, noncurrent Deferred Revenue Noncurrent Other long-term liabilities Other Liabilities Noncurrent Total liabilities Liabilities Commitments and contingencies (Note 10) Commitments And Contingencies Stockholders' equity: Stockholders Equity [Abstract] Preferred stock, $0.01 par value, 50,000,000 shares authorized, no shares issued and outstanding as of December 31, 2016 and 2015 Preferred Stock Value Common stock, $0.01 par value, 500,000,000 shares authorized, 51,277,964 issued and outstanding as of December 31, 2016 and 40,720,327 issued and 40,673,327 outstanding as of December 31, 2015 Common Stock Value Treasury stock, 0 shares and 47,000 shares at cost at December 31, 2016 and 2015, respectively Treasury Stock Common Value Additional paid-in capital Additional Paid In Capital Common Stock Accumulated other comprehensive income Accumulated Other Comprehensive Income Loss Net Of Tax Accumulated deficit Retained Earnings Accumulated Deficit Total stockholders' equity Stockholders Equity Total liabilities and stockholders' equity Liabilities And Stockholders Equity Allowances for doubtful accounts Allowance For Doubtful Accounts Receivable Current Preferred stock, par value Preferred Stock Par Or Stated Value Per Share Preferred stock, shares authorized Preferred Stock Shares Authorized Preferred stock, shares Issued Preferred Stock Shares Issued Preferred stock, shares outstanding Preferred Stock Shares Outstanding Common stock, par value Common Stock Par Or Stated Value Per Share Common stock, shares authorized Common Stock Shares Authorized Common stock, shares issued Common Stock Shares Issued Common stock, shares outstanding Common Stock Shares Outstanding Treasury stock shares Treasury Stock Common Shares Income Statement [Abstract] Revenues Revenues [Abstract] Subscription and support Subscription Revenue Professional services Technology Services Revenue Total revenues Revenues Cost of revenues Cost Of Revenue [Abstract] Subscription and support Cost Of Goods Sold Subscription Professional services Technology Services Costs Total cost of revenues Cost Of Revenue Gross profit Gross Profit Operating expenses Operating Expenses [Abstract] Sales and marketing Selling And Marketing Expense Research and development Research And Development Expense General and administrative General And Administrative Expense Total operating expenses Costs And Expenses Loss from operations Operating Income Loss Other expense Other Income And Expenses [Abstract] Interest expense, net Interest Expense Change in fair value of the common stock warrant liability Fair Value Adjustment Of Warrants Other expense, net Other Nonoperating Income Expense Loss before income taxes Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest Benefit from income taxes Income Tax Expense Benefit Net loss Net Income Loss Net loss per share, basic and diluted Earnings Per Share Basic And Diluted Weighted average common shares outstanding, basic and diluted Weighted Average Number Of Share Outstanding Basic And Diluted Statement Of Income And Comprehensive Income [Abstract] Net loss Other comprehensive loss: Other Comprehensive Income Loss Net Of Tax Period Increase Decrease [Abstract] Net change in unrealized losses on marketable securities, net of tax of $0 for the year ended December 31, 2016 Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax Other comprehensive loss Other Comprehensive Income Loss Net Of Tax Comprehensive loss Comprehensive Income Net Of Tax Net change in unrealized losses on marketable securities, tax Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax Issuance of common stock initial public offering. Issuance of common stock initial public offering shares. Statement Of Stockholders Equity [Abstract] Statement [Table] Statement [Table] Equity Components Statement Equity Components [Axis] Equity Component Equity Component [Domain] Common Stock Common Stock [Member] Treasury Stock, at cost Treasury Stock [Member] Additional Paid-in Capital Additional Paid In Capital [Member] Accumulated Other Comprehensive Loss Accumulated Other Comprehensive Income [Member] Accumulated Deficit Retained Earnings [Member] Sale of Stock Subsidiary Sale Of Stock [Axis] Sale of Stock Sale Of Stock Name Of Transaction [Domain] Initial Public Offering I P O [Member] Statement [Line Items] Statement [Line Items] Beginning Balance Beginning Balance, shares Shares Outstanding Stock option exercises Stock Issued During Period Value Stock Options Exercised Stock option exercises. shares Stock Issued During Period Shares Stock Options Exercised Common stock issuance Stock Issued During Period Value New Issues Common Stock Issuance, shares Stock Issued During Period Shares New Issues Stock repurchases Treasury Stock Value Acquired Cost Method Stock repurchased, shares Treasury Stock Shares Acquired Issuance of common stock in connection with initial public offering, net of offering costs Issuance Of Common Stock Initial Public Offering Issuance of common stock in connection with initial public offering, net of offering costs, shares Issuance Of Common Stock Initial Public Offering Shares Retirement of treasury stock Treasury Stock Retired Cost Method Amount Stock-based compensation Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value Other comprehensive loss Ending Balance Ending Balance, shares Payment of paid-in-kind interest. Payments on term loan and prepayment penalties. Statement Of Cash Flows [Abstract] Cash flows from operating activities Net Cash Provided By Used In Operating Activities Continuing Operations [Abstract] Adjustments to reconcile net loss to net cash provided by (used in) operating activities: Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities [Abstract] Depreciation and amortization Depreciation And Amortization Accretion of debt discount and accrual of paid in kind interest Accretion Expense Payment of paid in kind interest Payment Of Paid In Kind Interest Change in fair value of common stock warrant liability Change in fair value of contingent consideration Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 Stock-based compensation Share Based Compensation Deferred income taxes Deferred Income Tax Expense Benefit Changes in operating assets and liabilities, net of effects of the acquisition: Increase Decrease In Operating Capital [Abstract] Accounts receivable Increase Decrease In Accounts Receivable Deferred sales commissions Increase Decrease In Deferred Charges Prepaid expenses and other current assets Increase Decrease In Prepaid Deferred Expense And Other Assets Other assets Increase Decrease In Other Operating Assets Accounts payable Increase Decrease In Accounts Payable Accrued expenses and other current liabilities Increase Decrease In Accrued Liabilities And Other Operating Liabilities Deferred revenue Increase Decrease In Deferred Revenue Other long-term liabilities Increase Decrease In Other Noncurrent Liabilities Net cash provided by (used in) operating activities Net Cash Provided By Used In Operating Activities Continuing Operations Cash flows from investing activities Net Cash Provided By Used In Investing Activities Continuing Operations [Abstract] Acquisition, net of cash acquired Payments To Acquire Businesses Net Of Cash Acquired Investments in marketable securities Payments To Acquire Marketable Securities Capitalized software development costs Payments To Develop Software 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 Continuing Operations Cash flows from financing activities Net Cash Provided By Used In Financing Activities Continuing Operations [Abstract] Proceeds from term loan, net of issuance costs Proceeds From Issuance Of Long Term Debt Principal payments on term loan and prepayment penalties Payments On Term Loan And Prepayment Penalties Principal payments on capital lease obligations Repayments Of Long Term Capital Lease Obligations Proceeds from issuance of common stock Proceeds From Issuance Of Common Stock Payments of initial public offering costs Payments Of Stock Issuance Costs Proceeds from initial public offering, net of underwriting discounts and commissions Proceeds From Issuance Initial Public Offering Repurchases of common stock Payments For Repurchase Of Common Stock Proceeds from exercises of stock options Proceeds From Stock Options Exercised Net cash provided by financing activities Net Cash Provided By Used In Financing Activities Continuing Operations Net increase (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 Capitalized software development costs included in accounts payable and accrued expenses, and other liabilities, current. Stock based compensation capitalized for software development. Deferred offering costs incurred but not yet paid. Supplemental disclosures of cash flow information Supplemental Cash Flow Information [Abstract] Cash paid for interest Interest Paid Cash paid for income taxes Income Taxes Paid Non-cash financing and investing activities Noncash Investing And Financing Items [Abstract] Capitalized software development costs included in accounts payable and accrued expenses and other current liabilities Capitalized Software Development Costs Included In Accounts Payable And Accrued Expenses And Other Liabilities Current Purchases of property and equipment included in accounts payable and accrued expenses and other current liabilities Capital Expenditures Incurred But Not Yet Paid Stock-based compensation capitalized for software development Stock Based Compensation Capitalized For Software Development Property and equipment acquired under capital leases Capital Lease Obligations Incurred Deferred offering costs included in accounts payable and accrued expenses and other current liabilities Deferred Offering Costs Incurred But Not Yet Paid Organization Consolidation And Presentation Of Financial Statements [Abstract] The Company Nature Of Operations Accounting Policies [Abstract] Significant Accounting Policies Significant Accounting Policies [Text Block] Property Plant And Equipment [Abstract] Property and Equipment Property Plant And Equipment Disclosure [Text Block] Business Combinations [Abstract] Business Combination Business Combination Disclosure [Text Block] Goodwill And Intangible Assets Disclosure [Abstract] Intangible Assets and Goodwill Goodwill And Intangible Assets Disclosure [Text Block] Payables And Accruals [Abstract] Accrued Expenses and Other Current Liabilities Accounts Payable Accrued Liabilities And Other Liabilities Disclosure Current [Text Block] Debt Disclosure [Abstract] Term Loan Debt Disclosure [Text Block] Income Tax Disclosure [Abstract] Income Taxes Income Tax Disclosure [Text Block] Contingent consideration disclosure. Business Combination Contingent Consideration Arrangements [Abstract] Contingent Consideration Contingent Consideration Disclosure [Text Block] Commitments And Contingencies Disclosure [Abstract] Commitments and contingencies Commitments And Contingencies Disclosure [Text Block] Equity [Abstract] Capitalization Stockholders Equity Note Disclosure [Text Block] Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] Stock Options Disclosure Of Compensation Related Costs Share Based Payments [Text Block] Compensation And Retirement Disclosure [Abstract] Defined Contribution Plan Compensation And Employee Benefit Plans Other Than Share Based Compensation [Text Block] Related Party Transactions [Abstract] Related Party Transactions Related Party Transactions Disclosure [Text Block]