CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (unaudited) (USD $)	Total	Convertible Preferred Stock Series A	Common Stock	Additional Paid-in Capital	Treasury Stock	Accumulated Deficit
Balance at Dec. 31, 2013	$ 73,568,070	$ 0	$ 104,426	$ 147,284,219	$ (25,000)	$ (73,795,575)
Balance (in shares) at Dec. 31, 2013		0	104,425,614
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation expense	2,372,364	0	0	2,372,364	0	0
Exercise of stock options	445,072	0	317	444,755	0	0
Exercise of stock options (in shares)	317,193	0	317,193
Exercise of warrants	774,750	0	1,017	773,733	0	0
Exercise of warrants (in shares)		0	1,017,000
Issuance of restricted stock	0	0	83	(83)	0	0
Issuance of restricted stock (in shares)		0	83,330
Net income (loss )	(922,072)	0	0	0	0	(922,072)
Balance at Mar. 31, 2014	$ 76,238,184	$ 0	$ 105,843	$ 150,874,988	$ (25,000)	$ (74,717,647)
Balance (in shares) at Mar. 31, 2014		0	105,843,137