CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (Unaudited) (USD $)	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 5,262,379us-gaap_NetIncomeLoss	$ (2,801,798)us-gaap_NetIncomeLoss
Other comprehensive (loss) income, net of taxes:
Foreign currency translation	(26,501)	(126,286)
Net unrealized gain (loss) on marketable securities	4,019	(1,815)
Net minimum pension liability	2,467	492
Total other comprehensive loss, net of taxes:	(20,015)	(127,609)
Total comprehensive income (loss)	5,242,364us-gaap_ComprehensiveIncomeNetOfTax	(2,929,407)us-gaap_ComprehensiveIncomeNetOfTax
Less: Accrual of Series A redeemable convertible preferred stock dividends	190,786	186,904
Less: Accretion to redemption value of Series A redeemable convertible preferred stock	137,417	115,376
Total comprehensive income (loss) attributable to common stockholders	$ 4,914,161	$ (3,231,687)

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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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Amount after tax, before reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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Amount after tax of other comprehensive income (loss) attributable to parent entity.

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Amount after tax and reclassification adjustments, of (increase) decrease in accumulated other comprehensive (income) loss related to pension and other postretirement defined benefit plans.

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Amount after tax, before reclassification adjustments, of unrealized holding gain (loss) on available-for-sale securities.

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Amount of decrease to net income for accretion of temporary equity to its redemption value to derive net income apportioned to common stockholders.

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Accretion of temporary equity during the period due to cash, stock, and in-kind dividends. This item is an adjustment to net income necessary to derive net income apportioned to common stockholders and is to be distinguished from Temporary Equity, Accretion of Dividends (Temporary Equity, Accretion of Dividends).

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