CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (UNAUDITED) - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Accumulated other comprehensive Loss	Retained Earnings
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
Foreign currency translation	(69)
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
Balance, shares at Dec. 31, 2022		3,791,020
Balance, amount at Dec. 31, 2022	33,223	$ 4	22,147	(96)	11,168
Stock-based compensation expense	337	0	337	0	0
Foreign currency translation	1	0	0	1	0
Net income	(144)	$ 0	0	0	(144)
Balance, shares at Mar. 31, 2023		3,791,020
Balance, amount at Mar. 31, 2023	33,417	$ 4	22,484	(95)	11,024
Balance, shares at Dec. 31, 2022		3,791,020
Balance, amount at Dec. 31, 2022	33,223	$ 4	22,147	(96)	11,168
Foreign currency translation	5
Net income	1,492
Balance, shares at Sep. 30, 2023		3,811,649
Balance, amount at Sep. 30, 2023	35,789	$ 4	23,216	(91)	12,660
Balance, shares at Mar. 31, 2023		3,791,020
Balance, amount at Mar. 31, 2023	33,417	$ 4	22,484	(95)	11,024
Stock-based compensation expense	354	$ 0	354	0	0
Exercise of stock awards, net of tax, shares		18,129
Exercise of stock awards, net of tax, amount	0	$ 0	0	0	0
Foreign currency translation	44	0	0	44	0
Net income	1,363	$ 0	0	0	1,363
Balance, shares at Jun. 30, 2023		3,809,149
Balance, amount at Jun. 30, 2023	35,178	$ 4	22,838	(51)	12,387
Stock-based compensation expense	359	$ 0	359	0	0
Exercise of stock awards, net of tax, shares		2,500
Exercise of stock awards, net of tax, amount	19	$ 0	19	0	0
Foreign currency translation	(40)	0	0	(40)	0
Net income	273	$ 0	0	0	273
Balance, shares at Sep. 30, 2023		3,811,649
Balance, amount at Sep. 30, 2023	$ 35,789	$ 4	$ 23,216	$ (91)	$ 12,660