CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (Unaudited) (USD $)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Statement of Comprehensive Income [Abstract]
Net loss	$ (2,801,798)	$ (4,380,445)
Other comprehensive (loss) income, net of taxes:
Foreign currency translation	(126,286)	34,527
Net unrealized (loss) gain on marketable securities	(1,815)	4,007
Net minimum pension liability	492	(4,558)
Total other comprehensive (loss) income, net of taxes:	(127,609)	33,976
Total comprehensive loss	(2,929,407)	(4,346,469)
Less: Accrual of preferred stock dividends	186,904	0
Less: Accretion to redemption value of Series A preferred stock	115,376	0
Total comprehensive loss attributable to common stockholders	$ (3,231,687)	$ (4,346,469)