Annual report pursuant to Section 13 and 15(d)

Stock Based Compensation (Details 2)

v3.3.1.900
Stock Based Compensation (Details 2) - Warrant [Member] - Placement agent and consultants [Member] - $ / shares
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Shares Available For Grant [Roll Forward]    
Shares Available For Grant, Outstanding, Beginning Balance 274,098 433,959
Shares Available For Grant, Additional stock reserved
Shares Available For Grant, Granted (63,871) (159,861)
Shares Available For Grant, Exercised
Shares Available For Grant, Forfeited
Shares Available For Grant Warrants Expired
Shares Available For Grant, Outstanding, Ending Balance 210,227 274,098
Number of Shares    
Number of Shares, Outstanding, Beginning Balance 410,149 313,089
Number of Shares, Additional stock reserved
Number of Shares, Granted 63,871 159,861
Number of Shares, Exercised (161,719)
Number of Shares, Forfeited (5,478)
Number of Shares, Expired (62,801)
Number of Shares, Outstanding, Ending Balance 306,823 410,149
Weighted Average Exercise Price per Share    
Weighted Average Exercise Price per Share, Beginning Balance $ 3.59 $ 4.64
Weighted Average Exercise Price per Share, Additional stock reserved
Weighted Average Exercise Price per Share, Granted $ 1.40 $ 1.68
Weighted Average Exercise Price per Share, Exercised $ 2.36
Weighted Average Exercise Price per Share, Forfeited
Weighted Average Exercise Price per Share, Expired $ 4.18 $ 3.89
Weighted Average Exercise Price per Share, Outstanding, Ending Balance 2.79 3.59
Weighted Average Grant Fair Value Per Share    
Weighted Average Grant Date Fair Value per Share, Outstanding, Beginning Balance 1.51 2.07
Weighted Average Grant Date Fair Value per Share, Granted 1.17 $ 0.56
Weighted Average Grant Date Fair Value per Share, Exercised $ 1.09
Weighted Average Grant Date Fair Value per Share, Forfeited
Weighted Average Grant Date Fair Value per Share, Expired $ 1.82 $ 1.84
Weighted Average Grant Date Fair Value per Share, Ending Balance $ 1.26 $ 1.51
Weighted Average Remaining Exercise Term [Roll Forward]    
Weighted Average Remaining Exercise Term in Months, Beginning Balance 14 years 24 years
Weighted Average Remaining Exercise Term in Months, Granted 59 years 34 years
Weighted Average Remaining Exercise Term in Months, Ending Balance 9 years 14 years