Quarterly report pursuant to Section 13 or 15(d)

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

v3.7.0.1
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 112,373
Options, Granted | shares 39,354
Options, Expired | shares (13,702)
Options, Outstanding at end of period | shares 138,025
Options, Exercisable at end of period | shares 94,069
Options, Vested and expected to vest at end of period | shares 136,889
Weighted Average Exercise Price, Outstanding at beginning of period | $ / shares $ 41.53
Weighted Average Exercise Price, Granted | $ / shares 1.37
Weighted Average Exercise Price, Expired | $ / shares 24.22
Weighted Average Exercise Price, Outstanding at end of period | $ / shares 32.29
Weighted Average Exercise Price, Exercisable at end of period | $ / shares 48.26
Weighted Average Exercise Price, Vested and expected to vest at end of period | $ / shares $ 32.79