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CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (unaudited) (USD $)
Total
Convertible Preferred Stock Series A [Member]
Common Stock [Member]
Additional Paid-in Capital [Member]
Treasury Stock [Member]
Accumulated Deficit [Member]
Balance at Dec. 31, 2012 $ 20,007,302 $ 0 $ 88,423 $ 89,627,601 $ (25,000) $ (69,683,722)
Balance (in shares) at Dec. 31, 2012   0 88,423,169      
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Share-based compensation expense 2,487,239 0 0 2,487,239 0 0
Exercise of stock options 542,841 0 489 542,352 0 0
Exercise of stock options (in shares) 489,197 0 489,197      
Exercise of warrants 1,167,624 0 997 1,166,627 0 0
Exercise of warrants (in shares)   0 997,166      
Common stock issued for 5% convertible note 5,272,004 0 5,272 5,266,732 0 0
Common stock issued for 5% convertible note (in shares) 5,272,004 0 5,272,004      
Common stock issued for earn-out liability 5,792,330 0 1,175 5,791,155 0 0
Common stock issued for earn-out liability (in shares) 1,174,915 0 1,174,915      
Net income (loss) (2,377,797) 0 0 0 0 (2,377,797)
Balance at Jun. 30, 2013 $ 32,891,543 $ 0 $ 96,356 $ 104,881,706 $ (25,000) $ (72,061,519)
Balance (in shares) at Jun. 30, 2013   0 96,356,451