Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Loss	Retained Earnings	Total
Beginning balance, shares at Dec. 31, 2017	3,014,494
Beginning balance, amount at Dec. 31, 2017	$ 3	$ 10,400	$ 34	$ 2,774	$ 13,211
Stock-based compensation expense		142			142
Exercise of stock awards, net of tax, shares	47,626
Exercise of stock awards, net of tax, amount		161			161
Foreign currency translation			43		43
Dividends				(152)	(152)
Net income				320	320
Ending balance, shares at Mar. 31, 2018	3,062,120
Ending balance, amount at Mar. 31, 2018	$ 3	10,703	77	2,942	13,725
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
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