XML 41 R29.htm IDEA: XBRL DOCUMENT v3.4.0.3
Stock Purchase Warrants (Details 2) - $ / shares
3 Months Ended 12 Months Ended
Mar. 31, 2016
Dec. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of Warrants, Beginning Balance 7,908,899 7,974,794
Number of Warrants, Granted 0 0
Number of Warrants, Exercised 0 (2,448)
Number of Warrants, Forfeited (50,000) (63,447)
Number of Warrants, Ending Balance 7,858,899 7,908,899
Weighted Average Exercise Price, Beginning Balance $ 1.79 $ 1.80
Weighted Average Exercise Price, Granted 0 0
Weighted Average Exercise Price, Exercised 0 1.6
Weighted Average Exercise Price, Forfeited 3.75 1.79
Weighted Average Exercise Price, Ending Balance $ 1.77 $ 1.79