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CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY (UNAUDITED) - 6 months ended Jun. 30, 2015 - USD ($)
Total
Common Stock [Member]
Additional Paid-in Capital [Member]
Accumulated Deficit[Member]
Beginning Balance at Dec. 31, 2014 $ 75,477,513 $ 111,601 $ 150,789,292 $ (75,423,380)
Beginning Balance, Shares at Dec. 31, 2014   11,601,304    
Stock-based compensation $ 660,365   660,365  
Shares issued for vested restricted stock units, Value   $ 57 (57)  
Shares issued for vested restricted stock units, Shares 56,500 56,500    
Shares issued for Employee Stock Purchase Plan options, Value $ 60,705 $ 57 60,648  
Shares issued for Employee Stock Purchase Plan options, Shares 57,134 57,134    
Net loss $ (3,023,277)     (3,023,277)
Ending Balance at Jun. 30, 2015 $ 73,175,306 $ 111,715 $ 151,510,248 $ (78,446,657)
Ending Balance, Shares at Jun. 30, 2015   111,714,938