Annual report pursuant to Section 13 and 15(d)

Net Income Per Share - Schedule of Shares Excluded From Computation of Diluted Net Income (Loss) Per Share (Details)

v3.19.3.a.u2
Net Income Per Share - Schedule of Shares Excluded From Computation of Diluted Net Income (Loss) Per Share (Details) - shares
shares in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Antidilutive securities excluded from computation of net income (loss) per share (in shares) 2,159 4,545 16,505
Warrants      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Antidilutive securities excluded from computation of net income (loss) per share (in shares) 0 625 1,251
Outstanding stock options      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Antidilutive securities excluded from computation of net income (loss) per share (in shares) 1,486 3,271 13,803
Unvested restricted stock units      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Antidilutive securities excluded from computation of net income (loss) per share (in shares) 673 649 1,451