XML 54 R37.htm IDEA: XBRL DOCUMENT v3.3.1.900
Stock-Based Compensation (Details 6) - $ / shares
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of Warrants, Beginning Balance 7,974,794 1,632,501 1,632,501
Number of Warrants, Granted 0 7,029,808 0
Number of Warrants, Exercised (2,446) (232,619) 0
Number of Warrants, Forfeited (63,449) (454,896) 0
Number of Warrants, Ending Balance 7,908,899 7,974,794 1,632,501
Weighted Average Exercise Price, Beginning Balance $ 1.8 $ 1.99 $ 1.99
Weighted Average Exercise Price, Granted 0 1.75 0
Weighted Average Exercise Price, Exercised 1.6 1.47 0
Weighted Average Exercise Price, Forfeited 1.79 1.88 0
Weighted Average Exercise Price, Ending Balance $ 1.79 $ 1.8 $ 1.99