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Loss Per Common Share - Computation of Earnings Per Share (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2023
Mar. 31, 2023
Jun. 30, 2022
Mar. 31, 2022
Jun. 30, 2023
Jun. 30, 2022
Earnings Per Share [Abstract]            
Net loss $ (5,764) $ (4,407) $ (7,470) $ (8,348) $ (10,171) $ (15,818)
Weighted-average basic common shares outstanding (in shares) 8,432,394   4,503,983   7,366,594 4,268,955
Weighted-average diluted common shares outstanding (in shares) 8,432,394   4,503,983   7,366,594 4,268,955
Loss per share - basic (in dollars per share) $ (0.68)   $ (1.66)   $ (1.38) $ (3.71)
Loss per share - diluted (in dollars per share) $ (0.68)   $ (1.66)   $ (1.38) $ (3.71)