Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation - Summary of Stock Option Activity (Details)

v3.7.0.1
Stock-Based Compensation - Summary of Stock Option Activity (Details) - USD ($)
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]    
Options, Outstanding at beginning of period 112,373 92,289
Options, Granted 39,354 115,690
Options, Exercised
Options, Forfeited   (70,447)
Options, Expired (14,380) (25,159)
Options, Outstanding at end of period 137,347 112,373
Options, Exercisable at end of period 107,954 44,879
Options, Vested and expected to vest at end of period 137,347 109,996
Weighted Average Exercise Price, Outstanding at beginning of period $ 41.55 $ 76.95
Weighted Average Exercise Price, Granted 1.37 13.20
Weighted Average Exercise Price, Exercised
Weighted Average Exercise Price, Forfeited   41.10
Weighted Average Exercise Price, Expired 41.33 63.65
Weighted Average Exercise Price, Outstanding at end of period 30.59 41.55
Weighted Average Exercise Price, Exercisable at end of period 42.31 83.10
Weighted Average Exercise Price, Vested and expected to vest at end of period $ 30.59 $ 42.15
Weighted Average Remaining Contractual Terms (Years), Outstanding 8 years 2 months 12 days 7 years 8 months 12 days
Weighted Average Remaining Contractual Terms (Years), Exercisable 7 years 10 months 24 days 5 years 6 months
Weighted Average Remaining Contractual Terms (years), Vested and Expected 8 years 8 months 12 days 7 years 8 months 12 days
Intrinsic Value, Outstanding at end of period
Intrinsic Value, Exercisable at end of period
Intrinsic Value, Vested and expected to vest at end of period