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Net Loss Per Share - Summary of Computation of Net Loss Per Share (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 loss $ (1,881) $ (1,299) $ (6,944) $ (5,439)
Basic weighted average common shares outstanding 10,430 10,210 10,370 10,179
Plus dilutive effect of potential common shares 0 0 0 0
Diluted weighted average common shares outstanding 10,430 10,210 10,370 10,179
Basic $ (0.18) $ (0.13) $ (0.67) $ (0.53)
Diluted $ (0.18) $ (0.13) $ (0.67) $ (0.53)