Quarterly report pursuant to Section 13 or 15(d) 03-31-2016

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

v3.4.0.3
Stock-Based Compensation - Summary of Stock Option Activity (Details)
3 Months Ended
Mar. 31, 2016
$ / shares
shares
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Options, Outstanding at beginning of period | shares 112,373
Options, Granted | shares 23,004
Options, Expired | shares 13,702
Options, Outstanding at end of period | shares 121,675
Options, Exercisable at end of period | shares 74,859
Options, Vested and expected to vest at end of period | shares 119,112
Weighted Average Exercise Price, Outstanding at beginning of period | $ / shares $ 41.53
Weighted Average Exercise Price, Granted | $ / shares 1.69
Weighted Average Exercise Price, Expired | $ / shares 24.17
Weighted Average Exercise Price, Outstanding at end of period | $ / shares 35.95
Weighted Average Exercise Price, Exercisable at end of period | $ / shares 60.65
Weighted Average Exercise Price, Vested and expected to vest at end of period | $ / shares $ 36.50