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Consolidated Statement of Equity (Unaudited) - USD ($)
$ in Thousands
Total
Common Stock [Member]
Additional Paid-in Capital [Member]
Treasury Stock, Common [Member]
Retained Earnings [Member]
Balance at Dec. 31, 2021 $ 13,749 $ 6 $ 11,955 $ (3,807) $ 5,595
Balance, shares at Dec. 31, 2021   6,071,000      
Stock-based compensation expense 51 51
Stock-based compensation expense, shares   2,000      
Repurchase of common shares under Stock Buyback Plan (422) (422)
Repurchase of common shares under Stock Buyback Plan, shares   (34,000)      
Net income 497 497
Balance at Mar. 31, 2022 13,875 $ 6 12,006 (4,229) 6,092
Balance, shares at Mar. 31, 2022   6,039,000      
Balance at Dec. 31, 2021 13,749 $ 6 11,955 (3,807) 5,595
Balance, shares at Dec. 31, 2021   6,071,000      
Net income 1,504        
Balance at Sep. 30, 2022 13,167 $ 6 12,076 (6,014) 7,099
Balance, shares at Sep. 30, 2022   5,873,000      
Balance at Mar. 31, 2022 13,875 $ 6 12,006 (4,229) 6,092
Balance, shares at Mar. 31, 2022   6,039,000      
Stock-based compensation expense 32 32
Repurchase of common shares under Stock Buyback Plan (648) (648)
Repurchase of common shares under Stock Buyback Plan, shares   (61,000)      
Net income 222 222
Stock options exercised 7 7
Stock options exercised, shares   1,000      
Balance at Jun. 30, 2022 13,488 $ 6 12,045 (4,877) 6,314
Balance, shares at Jun. 30, 2022   5,979,000      
Stock-based compensation expense 19 19
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 785 785
Stock options exercised 12 12
Stock options exercised, shares   3,000      
Balance at Sep. 30, 2022 13,167 $ 6 12,076 (6,014) 7,099
Balance, shares at Sep. 30, 2022   5,873,000      
Balance at Dec. 31, 2022 12,477 $ 6 12,145 (7,263) 7,589
Balance, shares at Dec. 31, 2022   5,775,000      
Stock-based compensation expense 15 15
Repurchase of common shares under Stock Buyback Plan (1,230) (1,230)
Repurchase of common shares under Stock Buyback Plan, shares   (90,000)      
Net income 121 121
Balance at Mar. 31, 2023 11,383 $ 6 12,160 (8,493) 7,710
Balance, shares at Mar. 31, 2023   5,685,000      
Balance at Dec. 31, 2022 12,477 $ 6 12,145 (7,263) 7,589
Balance, shares at Dec. 31, 2022   5,775,000      
Net income $ 1,376        
Stock options exercised, shares 10,229        
Balance at Sep. 30, 2023 $ 11,019 $ 6 12,232 (10,184) 8,965
Balance, shares at Sep. 30, 2023   5,574,000      
Balance at Mar. 31, 2023 11,383 $ 6 12,160 (8,493) 7,710
Balance, shares at Mar. 31, 2023   5,685,000      
Stock-based compensation expense 17 17
Repurchase of common shares under Stock Buyback Plan (836) (836)
Repurchase of common shares under Stock Buyback Plan, shares   (61,000)      
Net income 532 532
Stock options exercised 46 46
Stock options exercised, shares   7,000      
Balance at Jun. 30, 2023 11,142 $ 6 12,223 (9,329) 8,242
Balance, shares at Jun. 30, 2023   5,631,000      
Stock-based compensation expense 6 6
Repurchase of common shares under Stock Buyback Plan (855) (855)
Repurchase of common shares under Stock Buyback Plan, shares   (60,000)      
Net income 723 723
Stock options exercised 3 3
Stock options exercised, shares   3,000      
Balance at Sep. 30, 2023 $ 11,019 $ 6 $ 12,232 $ (10,184) $ 8,965
Balance, shares at Sep. 30, 2023   5,574,000