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Consolidated Statement of Equity (Deficit) (Unaudited) - USD ($)
$ in Thousands
Total
Common Stock [Member]
Additional Paid-in Capital [Member]
Treasury Stock [Member]
Retained Earnings [Member]
Beginning balance, value at Dec. 31, 2020 $ 12,464 $ 6 $ 11,612 $ (2,702) $ 3,548
Beginning balance, shares at Dec. 31, 2020   6,118,000      
Stock-based compensation expense 25 25
Stock options exercised 40 40
Stock options exercised, shares   18,000      
Repurchase of common shares under Stock Buyback Plan (411) (411)
Repurchase of common shares under Stock Buyback Plan, shares   (29,000)      
Net income (loss) 1,150 1,150
Ending balance, value at Mar. 31, 2021 13,268 $ 6 11,677 (3,113) 4,698
Ending balance, shares at Mar. 31, 2021   6,107,000      
Beginning balance, value at Dec. 31, 2020 12,464 $ 6 11,612 (2,702) 3,548
Beginning balance, shares at Dec. 31, 2020   6,118,000      
Net income (loss) 2,219        
Ending balance, value at Sep. 30, 2021 13,323 $ 6 11,879 (3,415) 4,853
Ending balance, shares at Sep. 30, 2021   6,097,000      
Beginning balance, value at Mar. 31, 2021 13,268 $ 6 11,677 (3,113) 4,698
Beginning balance, shares at Mar. 31, 2021   6,107,000      
Stock options exercised 4 4
Stock options exercised, shares   1,000      
Repurchase of common shares under Stock Buyback Plan (195) (195)
Repurchase of common shares under Stock Buyback Plan, shares   (13,000)      
Net income (loss) 202 202
Stock-based compensation expense 29 29
Ending balance, value at Jun. 30, 2021 13,308 $ 6 11,710 (3,308) 4,900
Ending balance, shares at Jun. 30, 2021   6,095,000      
Stock options exercised 1 1
Repurchase of common shares under Stock Buyback Plan (107) (107)
Repurchase of common shares under Stock Buyback Plan, shares   (8,000)      
Net income (loss) 867 867
Stock-based compensation expense 168 168
Stock-based compensation expense, shares   10,000      
Dividends paid (914) (914)
Ending balance, value at Sep. 30, 2021 13,323 $ 6 11,879 (3,415) 4,853
Ending balance, shares at Sep. 30, 2021   6,097,000      
Beginning balance, value at Dec. 31, 2021 13,749 $ 6 11,955 (3,807) 5,595
Beginning balance, shares at Dec. 31, 2021   6,071,000      
Repurchase of common shares under Stock Buyback Plan (422) (422)
Repurchase of common shares under Stock Buyback Plan, shares   (34,000)      
Net income (loss) 497 497
Stock-based compensation expense 51 51
Stock-based compensation expense, shares   2,000      
Ending balance, value at Mar. 31, 2022 13,875 $ 6 12,006 (4,229) 6,092
Ending balance, shares at Mar. 31, 2022   6,039,000      
Beginning balance, value at Dec. 31, 2021 $ 13,749 $ 6 11,955 (3,807) 5,595
Beginning balance, shares at Dec. 31, 2021   6,071,000      
Stock options exercised, shares 4,000        
Net income (loss) $ 1,504        
Ending balance, value at Sep. 30, 2022 13,167 $ 6 12,076 (6,014) 7,099
Ending balance, shares at Sep. 30, 2022   5,873,000      
Beginning balance, value at Mar. 31, 2022 13,875 $ 6 12,006 (4,229) 6,092
Beginning balance, shares at Mar. 31, 2022   6,039,000      
Stock options exercised 7 7
Stock options exercised, shares   1,000      
Repurchase of common shares under Stock Buyback Plan (648) (648)
Repurchase of common shares under Stock Buyback Plan, shares   (61,000)      
Net income (loss) 222 222
Stock-based compensation expense 32 32
Ending balance, value at Jun. 30, 2022 13,488 $ 6 12,045 (4,877) 6,314
Ending balance, shares at Jun. 30, 2022   5,979,000      
Stock options exercised 12 12
Stock options exercised, shares   3,000      
Repurchase of common shares under Stock Buyback Plan (1,137) (1,137)
Repurchase of common shares under Stock Buyback Plan, shares   (109,000)      
Net income (loss) 785 785
Stock-based compensation expense 19 19
Ending balance, value at Sep. 30, 2022 $ 13,167 $ 6 $ 12,076 $ (6,014) $ 7,099
Ending balance, shares at Sep. 30, 2022   5,873,000