Statement of Financial Position [Abstract] Cash and cash equivalents Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Accounts receivable, inclusive of the BTC of $30,895 and $28,954 and net of allowance of $0 and $0, in 2015 and 2014, respectively Accounts receivable – related parties Accounts receivable, related parties Inventory Total inventories Income tax receivable Prepaid expenses Prepaid expenses – related parties Prepaid expenses, related parties Marketable securities Fair value Deferred financing costs Other current assets Total current assets Property, plant and equipment, net Total Intangible assets Intangible Assets, Net (Excluding Goodwill) Deferred financing costs Other assets Other Assets, Noncurrent Total noncurrent assets Total Assets Accounts payable Accounts payable - related parties Accounts payable, related parties Current deferred income tax liability Current deferred tax liability Deferred revenue – short-term Deferred Revenue, Current Contingent liability – short-term Loss Contingency, Accrual, Current Accrued expenses and other current liabilities Accrued expenses and other current liabilities - related parties Accrued liabilities, related parties Total current liabilities Deferred revenue – long-term Deferred Revenue, Noncurrent Other noncurrent liabilities Noncurrent deferred income tax liability Noncurrent deferred tax liability Total noncurrent liabilities Total Liabilities Commitments and contingencies (Notes 2, 15, 23, and 28) Preferred stock, $0.0001 par value, 5,000,000 shares authorized, none issued and outstanding Preferred stock par value (in Dollars per share) Preferred stock, shares authorized Preferred stock, shares issued Preferred stock, shares outstanding Common stock, $0.0001 par value, 75,000,000 shares authorized, 43,715,832 and 43,722,388 issued and outstanding as of December 31, 2015 and 2014, respectively Common stock par value (in Dollars per share) Common stock shares authorized Common stock shares issued Common stock shares outstanding Accumulated other comprehensive income Balance at beginning of period Balance at end of period Additional paid in capital Retained earnings Total stockholders’ equity Balance Balance Total Liabilities and Stockholders’ Equity Income Statement [Abstract] Revenues Revenues – related parties Revenues, related parties Revenue from Related Parties Cost of goods sold Cost of Goods Sold Cost of goods sold – related parties Cost of goods sold, related parties Distribution Distribution - related parties Distribution, related parties Gross profit Segment gross margins Gross profit Compensation expense Other expense Related party expense Research and development expenses Operating earnings Income from operations Income before interest and taxes Interest and dividend income Interest expense Gain on marketable securities Other income (expense) Other income Income before income taxes Income before taxes - U.S. Provision for income taxes Total Provision for income taxes Income Tax Expense (Benefit) Net income Net income Net income Basic (in Dollars per share) Basic earnings per share (in Dollars per share) Diluted (in Dollars per share) Diluted earnings per share (in Dollars per share) Basic (in Shares) Weighted average shares outstanding - basic (in Shares) Diluted (in Shares) Weighted average shares outstanding – diluted (in Shares) Other comprehensive income (loss) – unrealized gains (losses) on marketable securities, net of tax benefit of ($1,314) in 2015 and ($1,980) in 2014, and net of tax of $3,018 in 2013 Net current-period other comprehensive loss Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Other comprehensive income/(loss) – unrealized gains/(losses) on available-for-sale securities, tax Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Tax Comprehensive income Statement of Cash Flows [Abstract] Depreciation and amortization Provision for (benefit from) deferred income taxes Change in fair value of derivative instruments Other than temporary impairment of marketable securities Impairment of fixed assets Gain on sale of investments Losses on disposals of fixed assets Stock based compensation Noncash interest expense Accounts receivable Accounts receivable – related parties Inventory Income taxes receivable Prepaid expenses Prepaid expenses - related parties Accrued interest on marketable securities Other assets Accounts payable Accounts payable - related parties Income taxes payable Accrued expenses and other current liabilities Accrued expenses and other current liabilities - related parties Deferred revenue Increase (Decrease) in Deferred Revenue Other noncurrent liabilities Net cash provided by operating activities Collateralization of derivative instruments Purchase of marketable securities Proceeds from the sale of marketable securities Sales of auction rate securities Proceeds from the sale of fixed assets Expenditures for intangible assets Payments to Acquire Intangible Assets Capital expenditures Net cash provided by (used in) investing activities Proceeds from the issuance of stock Proceeds from Issuance of Common Stock Minimum tax withholding on stock options exercised Payments Related to Tax Withholding for Share-based Compensation Excess tax benefits associated with stock awards and options Deferred financing costs Payment of dividend Net cash used in financing activities Net change in cash and cash equivalents Cash paid for interest Cash paid for income taxes Statement of Stockholders' Equity [Abstract] Balance (in Shares) Balance (in Shares) Cash dividends Proceeds from the issuance of stock Stock Issued During Period, Value, New Issues Proceeds from the issuance of stock (in Shares) Stock Issued During Period, Shares, New Issues (in Shares) Excess income tax benefits from exercise of stock options Other comprehensive income Stock based compensation Stock based compensation (in Shares) Minimum tax withholdings on options and awards (in Shares) Minimum tax withholdings on options and awards Equity Components [Axis] Common Stock [Member] AOCI Attributable to Parent [Member] Additional Paid-in Capital [Member] Retained Earnings [Member] Disclosure Text Block [Abstract] Accounting Policies [Abstract] Estimated Useful Lives [Abstract] Property, Plant and Equipment, Type [Axis] Building and Building Improvements [Member] Useful life Property, Plant and Equipment, Useful Life Machinery and Equipment [Member] Transportation Equipment [Member] Other Capitalized Property Plant and Equipment [Member] Range [Axis] Minimum [Member] Maximum [Member] Other Income and Expenses [Abstract] Inventory Disclosure [Abstract] Carrying Values of Inventory [Abstract] Finished goods Work in process Raw materials and supplies Total inventories at weighted average cost LIFO reserve Derivative Instruments and Hedging Activities Disclosure [Abstract] Carrying Value of Derivative Instruments [Abstract] Derivative, by Nature [Axis] Commodity Option [Member] Regulated options, included in other current assets Derivative Liability, Number of Instruments Held Regulated options, included in other current assets Derivative Asset, Fair Value, Gross Liability Future [Member] Regulated fixed price future commitments, included in other current assets Derivative Asset, Number of Instruments Held Regulated fixed price future commitments, included in other current assets Derivative Asset, Fair Value, Gross Asset Disclosure Text Block Supplement [Abstract] Marketable Securities [Abstract] Major Types of Debt and Equity Securities [Axis] Equity Securities [Member] Unrealized losses Preferred Stock [Member] Trust Preferred Securities [Member]