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Share Based Compensation - Schedule of Share-based Compensation Stock Options Plan (Details)
9 Months Ended
Sep. 30, 2015
USD ($)
$ / shares
shares
Restricted Stock Units (RSUs) [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of Shares Subject to Issuance, Outstanding | shares 31,807
Number of Shares Subject to Issuance, Granted | shares 99,620
Number of Shares Subject to Issuance, Vested and Settled in Shares | shares (62,684)
Number of Shares Subject to Issuance, Outstanding | shares 68,743
Weighted-average Exercise Price, Outstanding $ 3.93
Weighted-average Exercise Price, Granted 1.28
Weighted-average Exercise Price, Vested and Settled in Shares $ (2.40)
Weighted-average Exercise Price, Forfeited or expired
Weighted-average Exercise Price, Outstanding $ 1.48
Outstanding-Aggregate Intrinsic Value | $
Exercisable-Aggregate Intrinsic Value | $
Stock Options [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of Shares Subject to Issuance, Outstanding | shares 235,478
Number of Shares Subject to Issuance, Granted | shares 1,689,882
Number of Shares Subject to Issuance, Forfeited or expired | shares (19,685)
Number of Shares Subject to Issuance, Exercised | shares (313)
Number of Shares Subject to Issuance, Outstanding | shares 1,905,362
Number of Shares Subject to Issuance, Exercisable | shares 459,582
Weighted-average Exercise Price, Outstanding $ 5.95
Weighted-average Exercise Price, Granted 1.18
Weighted-average Exercise Price, Forfeited or expired (26.39)
Weighted-average Exercise Price, Exercised 3.12
Weighted-average Exercise Price, Outstanding 1.51
Weighted-average Exercise Price, Exercisable $ 1.66
Weighted-average Remaining Contractual Term, Outstanding Beginning 4 years 5 months 9 days
Weighted-average Remaining Contractual Term, Outstanding Ending 4 years 9 months
Weighted-average Remaining Contractual Term, Exercisable 4 years 8 months 12 days
Outstanding-Aggregate Intrinsic Value | $
Exercisable-Aggregate Intrinsic Value | $