CONSOLIDATED STATEMENTS OF STOCKHOLDERS EQUITY (UNAUDITED) - USD ($)	Total	Common Stock	Additional Paid-In Capital	Accumulated other comprehensive loss	Retained Earnings (Accumulated Deficit)
Balance, shares at Dec. 31, 2019		3,786,398
Balance, amount at Dec. 31, 2019	$ 26,100,000	$ 4,000	$ 22,275,000	$ (16,000)	$ 3,837,000
Stock-based compensation expense	273,000	$ 0	273,000	0	0
Exercise of stock awards, net of tax, shares		68,252
Exercise of stock awards, net of tax, amount	451,000	$ 0	451,000	0	0
Stock repurchase and retirement (see Note 6), shares		83,898
Stock repurchase and retirement (see Note 6), amount	(785,000)	$ 0	(785,000)	0	0
Foreign currency translation	(3,000)	0	0	(3,000)	0
Net income	2,106,000	$ 0	0	0	2,106,000
Balance, shares at Dec. 31, 2020		3,770,752
Balance, amount at Dec. 31, 2020	28,142,000	$ 4,000	22,214,000	(19,000)	5,943,000
Stock-based compensation expense	333,000	$ 0	333,000	0	0
Exercise of stock awards, net of tax, shares		42,563
Exercise of stock awards, net of tax, amount	$ 307,000	$ 0	307,000	0	0
Stock repurchase and retirement (see Note 6), shares	179,845	19,777
Stock repurchase and retirement (see Note 6), amount	$ (453,000)	$ 0	(453,000)	0	0
Net income	3,291,000	$ 0	0	0	3,291,000
Balance, shares at Dec. 31, 2021		3,793,538
Balance, amount at Dec. 31, 2021	$ 31,620,000	$ 4,000	$ 22,401,000	$ (19,000)	$ 9,234,000