Quarterly report pursuant to Section 13 or 15(d)

Stock-based Compensation - Stock Option Activity (Details)

v3.20.1
Stock-based Compensation - Stock Option Activity (Details) - 2014 Plan
$ / shares in Units, shares in Thousands, $ in Thousands
 3 Months Ended
Mar. 31, 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 (3)
Options cancelled (in shares) | shares (5)
Ending Balance (in shares) | shares 576
Options Outstanding, Vested and expected to vest (in shares) | shares 576
Options Outstanding, Exercisable (in shares) | shares 268
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 30.51
Options cancelled (in dollars per share) | $ / shares 57.72
Ending Balance (in dollars per share) | $ / shares 31.67
Weighted-Average Exercise Price, Vested and expected to vest (in dollars per share) | $ / shares 31.67
Weighted-Average Exercise Price, Exercisable (in dollars per share) | $ / shares $ 48.79
Weighted-Average Remaining Contractual Life (Years), Ending Balance 8 years 25 days
Weighted-Average Remaining Contractual Life (Years), Vested and expected to vest 8 years 25 days
Weighted-Average Remaining Contractual Life (Years), Exercisable 6 years 9 months 25 days
Aggregate Intrinsic Value, Ending Balance | $ $ 0
Aggregate Intrinsic Value, Vested and expected to vest | $ 0
Aggregate Intrinsic Value, Exercisable | $ $ 0