Quarterly report pursuant to Section 13 or 15(d)

Stockholders??? Equity - Summary of Stock Options and Changes During the Period (Details)

v3.8.0.1
Stockholders’ Equity - Summary of Stock Options and Changes During the Period (Details) - Stock Options [Member]
9 Months Ended
Sep. 30, 2017
$ / shares
shares
Number of Options, Beginning Balance | shares 879,034
Number of Options, Granted | shares
Number of Options, Cancelled | shares 48,542
Number of Options, Forfeited | shares 217,298
Number of Options, Exercised | shares
Number of Options, Ending Balance | shares 613,194
Number of Options Exercisable | shares 591,841
Number of Options expected to vest | shares 21,354
Weighted Average Exercise Price, Beginning Balance | $ / shares $ 17.84
Weighted Average Exercise Price, Granted | $ / shares
Weighted Average Exercise Price, Cancelled | $ / shares
Weighted Average Exercise Price, Forfeited | $ / shares 16.71
Weighted Average Exercise Price, Exercised | $ / shares
Weighted Average Exercise Price, Ending Balance | $ / shares 17.04
Weighted Average Exercise Price, Options Exercisable | $ / shares 13.83
Weighted Average Exercise Price, Options expected to vest | $ / shares $ 20.33
Weighted Average Remaining Life, Beginning Balance 6 years 9 months 18 days
Weighted Average Remaining Life, Ending Balance 3 years 22 days
Weighted Average Remaining Life, Options Exercisable 2 years 10 months 28 days
Weighted Average Remaining Life, Options expected to vest 7 years 2 months 23 days