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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 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Earnings Per Share [Abstract]        
Net loss $ (2,205) $ (1,619) $ (5,063) $ (4,140)
Basic weighted average common shares outstanding 10,413 10,219 10,340 10,188
Plus dilutive effect of potential common shares 0 0 0 0
Diluted weighted average common shares outstanding 10,413 10,219 10,340 10,188
Basic $ (0.21) $ (0.16) $ (0.49) $ (0.41)
Diluted $ (0.21) $ (0.16) $ (0.49) $ (0.41)