CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (Unaudited) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Statement of Comprehensive Income [Abstract]
Net loss	$ 1,330,947	$ (5,207,293)	$ (1,470,851)	$ (9,587,738)
Other comprehensive (loss) income, net of taxes:
Foreign currency translation	(12,184)	(19,737)	(138,470)	14,790
Net unrealized gain (loss) on marketable securities	2,433	(5,457)	618	(1,450)
Net minimum pension liability	3,612	3,612	4,104	(946)
Total other comprehensive (loss) income, net of taxes:	(6,139)	(21,582)	(133,748)	12,394
Total comprehensive income (loss)	1,324,808	(5,228,875)	(1,604,599)	(9,575,344)
Less: Accrual of preferred stock dividends	186,904	0	373,808	0
Less: Accretion to redemption value of Series A preferred stock	120,531	0	235,907	0
Total comprehensive income (loss) attributable to common stockholders	$ 1,017,373	$ (5,228,875)	$ (2,214,314)	$ (9,575,344)