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Net Loss Per Common Share - Diluted Net Loss Per Share (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Earnings Per Share [Abstract]        
Net loss available to common stockholders $ (10,096) $ (3,913) $ (34,667) $ (17,039)
Dividends on Series B Convertible Preferred Stock 1,670 1,574 4,884 4,539
Less: antidilutive adjustments (1,670) (1,574) (4,884) (4,539)
Numerator $ (10,096) $ (3,913) $ (34,667) $ (17,039)
Weighted average common shares outstanding - basic (in shares) 113,448,251 110,717,073 112,650,713 110,136,517
Potential common shares (in shares) 29,269,481 30,658,193 28,858,049 30,185,813
Less: antidilutive potential common shares (in shares) (29,269,481) (30,658,193) (28,858,049) (30,185,813)
Weighted average shares outstanding adjusted for potential common shares 113,448,251 110,717,073 112,650,713 110,136,517
Net loss per common share - diluted (in dollars per share) $ (0.09) $ (0.04) $ (0.31) $ (0.15)