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NET INCOME (LOSS) PER SHARE - Computation (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Earnings Per Share [Abstract]        
Net income (loss) $ (3,562) $ 2,161 $ (3,315) $ 13,350
Less: Net (income) loss attributable to participating securities 82 (42) 73 (261)
Net income (loss) attributable to common stockholders $ (3,480) $ 2,119 $ (3,242) $ 13,089
Weighted average shares outstanding used in basic per common share computations (in shares) 14,205 14,365 14,181 14,405
Add: Dilutive potential common shares (in shares) 0 0 0 0
Weighted average shares outstanding used in diluted per common share computations (in shares) 14,205 14,365 14,181 14,405
Basic EPS (in dollars per share) $ (0.24) $ 0.15 $ (0.23) $ 0.91
Diluted EPS (in dollars per share) $ (0.24) $ 0.15 $ (0.23) $ 0.91