Quarterly report pursuant to Section 13 or 15(d)

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

v3.19.2
Basis of Presentation and Summary of Significant Accounting Policies - Earnings (Loss) Per Share (Details) - shares
shares in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Summary of computation of basic and diluted net income (loss) per share        
Weighted average shares outstanding (shares) 19,558 21,212 20,000 21,209
Dilutive potential common shares:        
Restricted stock (shares) 0 60 38 62
Stock options (shares) 0 1,132 761 1,126
2019 convertible senior notes (shares) 0 1,052 0 1,386
Warrants (shares) 0 982 0 835
Shares used to compute diluted income per share (shares) 19,558 24,438 20,799 24,618
Potentially dilutive shares excluded from calculation due to anti-dilutive effect (shares) 7,457 2,092 7,243 1,120