Quarterly report pursuant to Section 13 or 15(d)

Stock-based Compensation - Stock Option Activity (Details)

v3.19.3
Stock-based Compensation - Stock Option Activity (Details) - 2014 Plan - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2019
Stock Awards    
Beginning Balance (in shares)   6,466
Options granted (in shares) 0 674
Options exercised (in shares)   (186)
Options forfeited (in shares)   (774)
Options cancelled (in shares)   (230)
Ending Balance (in shares) 5,950 5,950
Options Outstanding, Vested and expected to vest (in shares) 5,950 5,950
Options Outstanding, Exercisable (in shares) 3,158 3,158
Weighted- Average Exercise Price    
Beginning Balance (in dollars per share)   $ 3.05
Options granted (in dollars per share)   1.45
Options exercised (in dollars per share)   1.23
Options forfeited (in dollars per share)   2.03
Options cancelled (in dollars per share)   4.41
Ending Balance (in dollars per share) $ 3.00 3.00
Weighted-Average Exercise Price, Vested and expected to vest (in dollars per share) 3.00 3.00
Weighted-Average Exercise Price, Exercisable (in dollars per share) $ 4.03 $ 4.03
Weighted-Average Remaining Contractual Life (Years), Ending Balance   7 years 5 months 13 days
Weighted-Average Remaining Contractual Life (Years), Vested and expected to vest   7 years 5 months 13 days
Weighted-Average Remaining Contractual Life (Years), Exercisable   6 years 25 days
Aggregate Intrinsic Value, Ending Balance $ 1 $ 1
Aggregate Intrinsic Value, Vested and expected to vest 1 1
Aggregate Intrinsic Value, Exercisable $ 1 $ 1