CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (unaudited) (USD $)	Convertible Preferred Stock Series A [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Treasury Stock [Member]	Accumulated Deficit [Member]	Total
Balance at Dec. 31, 2012	$ 0	$ 88,423	$ 89,627,601	$ (25,000)	$ (69,683,722)	$ 20,007,302
Balance (in shares) at Dec. 31, 2012	0	88,423,169
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation expense	0	0	984,792	0	0	984,792
Exercise of stock options	0	170	232,361	0	0	232,531
Exercise of stock options (in shares)	0	170,099				170,099
Exercise of warrants	0	785	923,839	0	0	924,624
Exercise of warrants (in shares)	0	785,166
Common stock issued for 5% convertible note	0	5,272	5,266,732	0	0	5,272,004
Common stock issued for 5% convertible note (in shares)	0	5,272,004
Common stock issued for earn-out liability	0	1,174	5,791,156	0	0	5,792,330
Common stock issued for earn-out liability (in shares)	0	1,174,915
Net income (loss)	0	0	0	0	(1,620,408)	(1,620,408)
Balance at Mar. 31, 2013	$ 0	$ 95,824	$ 102,826,481	$ (25,000)	$ (71,304,130)	$ 31,593,175
Balance (in shares) at Mar. 31, 2013	0	95,825,353