CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock	Retained Earnings (Deficit)	Accumulated Other Comprehensive Income (Loss)	Total
Beginning Balance, Amount at Dec. 31, 2017	$ 18,989	$ 2,089	$ 982	$ 22,060
Beginning Balance, Shares at Dec. 31, 2017	8,276,813
Stock options exercised, Shares	15,000
Repurchased shares, Shares	(4,948)
Stock awards issued, net of tax withholding, Amount	$ (12)			(12)
Stock awards issued, net of tax withholding, Shares	7,531
Issuance of stock through Employee Stock Purchase Plan, Amount	$ 7			7
Issuance of stock through Employee Stock Purchase Plan, Shares	630
Share-based compensation	$ 177			177
Net income		130		130
Other comprehensive income gain (loss)			301	301
Ending Balance, Amount at Mar. 31, 2018	$ 19,161	2,219	1,283	22,663
Ending Balance, Shares at Mar. 31, 2018	8,295,026
Beginning Balance, Amount at Dec. 31, 2018	$ 19,254	3,695	408	23,357
Beginning Balance, Shares at Dec. 31, 2018	8,338,628
Repurchased shares, Amount	$ (312)			(312)
Repurchased shares, Shares	(57,612)
Stock awards issued, net of tax withholding, Amount	$ (9)			(9)
Stock awards issued, net of tax withholding, Shares	4,046
Issuance of stock through Employee Stock Purchase Plan, Amount	$ 15			15
Issuance of stock through Employee Stock Purchase Plan, Shares	2,763
Share-based compensation	$ 287			287
Net income		26		26
Other comprehensive income gain (loss)			128	128
Ending Balance, Amount at Mar. 31, 2019	$ 19,235	$ 3,721	$ 536	$ 23,492
Ending Balance, Shares at Mar. 31, 2019	8,287,825