Annual report pursuant to Section 13 and 15(d)

Income (Loss) Per Share - Computation of Basic and Diluted Earnings Per Share (Details)

v3.21.1
Income (Loss) Per Share - Computation of Basic and Diluted Earnings Per Share (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2020
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Dec. 31, 2019
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Earnings Per Share [Abstract]                      
Net loss $ (15,406) $ (12,337) $ (5,537) $ 5,905 $ (34,325) $ (6,779) $ (5,248) $ (3,042) $ (27,375) $ (49,394) $ (20,378)
Weighted average shares                 15,308 15,227 15,032
Basic and diluted loss per common share $ (1.01) $ (0.81) $ (0.36) $ 0.39 $ (2.26) $ (0.44) $ (0.34) $ (0.20) $ (1.79) $ (3.24) $ (1.36)