Quarterly report pursuant to Section 13 or 15(d)

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

v3.8.0.1
Stock-Based Compensation - Summary of Stock Option Activity (Details)
9 Months Ended
Sep. 30, 2016
$ / shares
shares
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Options, Outstanding at beginning of period | shares 9,364
Options, Granted | shares 3,280
Options, Expired | shares (1,142)
Options, Outstanding at end of period | shares 11,502
Options, Exercisable at end of period | shares 7,839
Options, Vested and expected to vest at end of period | shares 11,407
Weighted Average Exercise Price, Outstanding at beginning of period | $ / shares $ 498.36
Weighted Average Exercise Price, Granted | $ / shares 16.44
Weighted Average Exercise Price, Expired | $ / shares 290.64
Weighted Average Exercise Price, Outstanding at end of period | $ / shares 387.48
Weighted Average Exercise Price, Exercisable at end of period | $ / shares 579.12
Weighted Average Exercise Price, Vested and expected to vest at end of period | $ / shares $ 393.48