Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation and Summary of Significant Accounting Policies - Earnings (Loss) Per Share (Details)

v3.19.3
Basis of Presentation and Summary of Significant Accounting Policies - Earnings (Loss) Per Share (Details) - shares
shares in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Summary of computation of basic and diluted net income (loss) per share        
Weighted average shares outstanding (shares) 18,770 21,148 19,586 21,189
Dilutive potential common shares:        
Restricted stock (shares) 0 83 35 69
Stock options (shares) 0 1,248 728 1,167
2019 convertible senior notes (shares) 0 0 0 924
Warrants (shares) 0 1,573 0 1,081
Shares used to compute diluted income per share (shares) 18,770 24,052 20,349 24,430
Potentially dilutive shares excluded from calculation due to anti-dilutive effect (shares) 11,549 3,126 8,694 1,789