Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation - Schedule of Share-based Compensation, Stock Options, Activity (Details)

v3.8.0.1
Stock-Based Compensation - Schedule of Share-based Compensation, Stock Options, Activity (Details)
$ / shares in Units, $ in Thousands
9 Months Ended
Sep. 30, 2017
USD ($)
$ / shares
shares
Number of shares available for grant, ending 49,668,000
Total options outstanding, ending 21,344,222
Aggregate Intrinsic Value, ending | $ $ 2,874
Warrants to Purchase Common Stock [Member]  
Number of shares available for grant, beginning 48,368,000
Number of shares available for grant, Exercised
Number of shares available for grant, Granted
Number of shares available for grant, Cancelled 1,300,000
Number of shares available for grant, ending 49,668,000
Total options outstanding, beginning 24,351,000
Total options outstanding, Exercised (1,707,000)
Total options outstanding, Granted
Total options outstanding, Cancelled (1,300,000)
Total options outstanding, ending 21,344,000
Weighted Average Exercise Price, outstanding | $ / shares $ 0.30
Weighted Average Exercise Price, Exercised | $ / shares 0.05
Weighted Average Exercise Price, Granted | $ / shares
Weighted Average Exercise Price, Cancelled | $ / shares 0.96
Weighted Average Exercise Price, ending | $ / shares $ 0.28
Aggregate Intrinsic Value, outstanding | $ $ 5,457
Aggregate Intrinsic Value, ending | $ $ 2,874