Quarterly report pursuant to Section 13 or 15(d)

Stock-based Compensation - Stock Option Activity (Details)

v3.20.2
Stock-based Compensation - Stock Option Activity (Details) - 2014 plan
$ / shares in Units, shares in Thousands, $ in Thousands
 9 Months Ended
Sep. 30, 2020
USD ($)
$ / shares
shares
Stock Awards  
Beginning Balance (in shares) | shares 494
Options granted (in shares) | shares 90
Options exercised (in shares) | shares 0
Options forfeited (in shares) | shares (24)
Options cancelled (in shares) | shares (28)
Ending Balance (in shares) | shares 532
Options Outstanding, Vested and expected to vest (in shares) | shares 532
Options Outstanding, Exercisable (in shares) | shares 317
Weighted- Average Exercise Price  
Beginning Balance (in dollars per share) | $ / shares $ 36.64
Options granted (in dollars per share) | $ / shares 5.65
Options exercised (in dollars per share) | $ / shares 0
Options forfeited (in dollars per share) | $ / shares 26.49
Options cancelled (in dollars per share) | $ / shares 42.38
Ending Balance (in dollars per share) | $ / shares 31.57
Weighted-Average Exercise Price, Vested and expected to vest (in dollars per share) | $ / shares 31.57
Weighted-Average Exercise Price, Exercisable (in dollars per share) | $ / shares $ 42.26
Weighted-Average Remaining Contractual Life (Years), Ending Balance 7 years 7 months 9 days
Weighted-Average Remaining Contractual Life (Years), Vested and expected to vest 7 years 7 months 9 days
Weighted-Average Remaining Contractual Life (Years), Exercisable 6 years 10 months 6 days
Aggregate Intrinsic Value, Ending Balance | $ $ 0
Aggregate Intrinsic Value, Vested and expected to vest | $ 0
Aggregate Intrinsic Value, Exercisable | $ $ 0