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Earnings (loss) per Share (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ 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
Numerator:            
Net income (loss) $ 504 $ 370 $ (70) $ 337 $ 874 $ 267
Denominator for earnings per basic common share:            
Weighted average common shares outstanding (in shares) 12,292   12,305   12,253 12,421
Denominator for earnings per diluted common share:            
Weighted average common shares outstanding (in shares) 12,292   12,305   12,253 12,421
Dilutive effect of stock options and restricted stock/units (in shares) 102   0   121 107
Diluted weighted average shares (in shares) 12,394   12,305   12,374 12,528
Earnings (loss) per common share:            
Basic (in dollars per share) $ 0.04   $ (0.01)   $ 0.07 $ 0.02
Diluted (in dollars per share) $ 0.04   $ (0.01)   $ 0.07 $ 0.02