Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Common Stock	Additional Paid-In Capital	Other Accumulated Comprehensive Income (Loss)	Retained Earnings	Total
Beginning balance, shares at Dec. 31, 2018	3,829,572
Beginning balance, amount at Dec. 31, 2018	$ 4	$ 22,525	$ (17)	$ 3,151	$ 25,663
Stock-based compensation expense		137			137
Exercise of stock awards, net of tax, shares	24,996
Exercise of stock awards, net of tax, amount	$ 0				0
Foreign currency translation			(3)		(3)
Net income				205	205
Ending balance, shares at Mar. 31, 2019	3,854,568
Ending balance, amount at Mar. 31, 2019	$ 4	22,662	(20)	3,356	26,002
Beginning balance, shares at Dec. 31, 2019	3,786,398
Beginning balance, amount at Dec. 31, 2019	$ 4	22,275	(16)	3,837	26,100
Stock-based compensation expense		45			45
Exercise of stock awards, net of tax, shares	8,002
Exercise of stock awards, net of tax, amount	$ 0				0
Stock repurchase and retirement, shares	(21,700)
Stock repurchase and retirement, amount	$ 0	(203)			(203)
Foreign currency translation			40		40
Net income				226	226
Ending balance, shares at Mar. 31, 2020	3,772,700
Ending balance, amount at Mar. 31, 2020	$ 4	$ 22,117	$ 24	$ 4,063	$ 26,208