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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (UNAUDITED) - USD ($)
$ in Thousands
Total
Common Stock [Member]
Additional Paid-In Capital [Member]
Accumulated other comprehensive Income (Loss) [Member]
Retained Earnings [Member]
Balance, shares at Dec. 31, 2020   3,770,752      
Balance, amount at Dec. 31, 2020 $ 28,142 $ 4 $ 22,214 $ (19) $ 5,943
Stock-based compensation expense 63 $ 0 63 0 0
Exercise of stock awards, net of tax, shares   15,000      
Exercise of stock awards, net of tax, amount 199 $ 0 199 0 0
Stock repurchase and retirement, shares   19,777      
Stock repurchase and retirement, amount (452) $ 0 (452) 0 0
Foreign currency translation 3 0 0 3 0
Net income 545 $ 0 0 0 545
Balance, shares at Mar. 31, 2021   3,765,975      
Balance, amount at Mar. 31, 2021 28,500 $ 4 22,024 (16) 6,488
Balance, shares at Dec. 31, 2020   3,770,752      
Balance, amount at Dec. 31, 2020 28,142 $ 4 22,214 (19) 5,943
Net income 2,675        
Balance, shares at Sep. 30, 2021   3,791,038      
Balance, amount at Sep. 30, 2021 30,876 $ 4 22,268 (14) 8,618
Balance, shares at Mar. 31, 2021   3,765,975      
Balance, amount at Mar. 31, 2021 28,500 $ 4 22,024 (16) 6,488
Stock-based compensation expense 69 $ 0 69 0 0
Exercise of stock awards, net of tax, shares   20,550      
Exercise of stock awards, net of tax, amount 20 $ 0 20 0 0
Foreign currency translation (5) 0 0 (5) 0
Net income 1,106 $ 0 0 0 1,106
Balance, shares at Jun. 30, 2021   3,786,525      
Balance, amount at Jun. 30, 2021 29,690 $ 4 22,113 (21) 7,594
Stock-based compensation expense 100 $ 0 100 0 0
Exercise of stock awards, net of tax, shares   4,513      
Exercise of stock awards, net of tax, amount 55 $ 0 55 0 0
Foreign currency translation 7 0 0 7 0
Net income 1,024 $ 0 0 0 1,024
Balance, shares at Sep. 30, 2021   3,791,038      
Balance, amount at Sep. 30, 2021 30,876 $ 4 22,268 (14) 8,618
Balance, shares at Dec. 31, 2021   3,793,538      
Balance, amount at Dec. 31, 2021 31,620 $ 4 22,401 (19) 9,234
Stock-based compensation expense 184 $ 0 184 0 0
Exercise of stock awards, net of tax, shares   7,500      
Exercise of stock awards, net of tax, amount 58 $ 0 58 0 0
Stock repurchase and retirement, shares   6,200      
Stock repurchase and retirement, amount (182) $ 0 (182) 0 0
Foreign currency translation 7 0 0 7 0
Net income 516 $ 0 0 0 516
Balance, shares at Mar. 31, 2022   3,794,838      
Balance, amount at Mar. 31, 2022 32,203 $ 4 22,461 (12) 9,750
Balance, shares at Dec. 31, 2021   3,793,538      
Balance, amount at Dec. 31, 2021 31,620 $ 4 22,401 (19) 9,234
Net income 2,043        
Balance, shares at Sep. 30, 2022   3,610,839      
Balance, amount at Sep. 30, 2022 29,244 $ 4 18,051 (88) 11,277
Balance, shares at Mar. 31, 2022   3,794,838      
Balance, amount at Mar. 31, 2022 32,203 $ 4 22,461 (12) 9,750
Stock-based compensation expense 188 $ 0 188 0 0
Exercise of stock awards, net of tax, shares   15,265      
Exercise of stock awards, net of tax, amount 0 $ 0 0 0 0
Stock repurchase and retirement, shares   163,201      
Stock repurchase and retirement, amount (3,859) $ 0 (3,859) 0 0
Foreign currency translation (23) 0 0 (23) 0
Net income 841 $ 0 0 0 841
Balance, shares at Jun. 30, 2022   3,646,902      
Balance, amount at Jun. 30, 2022 29,350 $ 4 18,790 (35) 10,591
Stock-based compensation expense 187 $ 0 187 0 0
Exercise of stock awards, net of tax, shares   2,500      
Exercise of stock awards, net of tax, amount 33 $ 0 33 0 0
Stock repurchase and retirement, shares   38,563      
Stock repurchase and retirement, amount (959) $ 0 (959) 0 0
Foreign currency translation (53) 0 0 (53) 0
Net income 686 $ 0 0 0 686
Balance, shares at Sep. 30, 2022   3,610,839      
Balance, amount at Sep. 30, 2022 $ 29,244 $ 4 $ 18,051 $ (88) $ 11,277