CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock	Retained Earnings (Deficit)	Accumulated Other Comprehensive Income (Loss)	Total
Beginning Balance, Shares at Dec. 31, 2017	8,276,813
Beginning Balance, Amount at Dec. 31, 2017	$ 18,989	$ 2,089	$ 982	$ 22,060
Stock options exercised, Shares	15,000
Repurchased shares, Shares	(4,948)
Stock awards issued, net of tax withholding, Shares	7,531
Stock awards issued, net of tax withholding, Amount	$ (12)			(12)
Issuance of stock through Employee Stock Purchase Plan, Shares	630
Issuance of stock through Employee Stock Purchase Plan, Amount	$ 7			7
Share-based compensation	177			177
Net income		130		130
Other comprehensive income gain (loss)			301	301
Ending Balance, Shares at Mar. 31, 2018	8,295,026
Ending Balance, Amount at Mar. 31, 2018	$ 19,161	2,219	1,283	22,663
Beginning Balance, Shares at Dec. 31, 2017	8,276,813
Beginning Balance, Amount at Dec. 31, 2017	$ 18,989	2,089	982	22,060
Net income				958
Ending Balance, Shares at Sep. 30, 2018	8,440,075
Ending Balance, Amount at Sep. 30, 2018	$ 19,493	3,047	485	23,025
Beginning Balance, Shares at Mar. 31, 2018	8,295,026
Beginning Balance, Amount at Mar. 31, 2018	$ 19,161	2,219	1,283	22,663
Stock awards issued, net of tax withholding, Shares	132,858
Stock awards issued, net of tax withholding, Amount	$ (415)			(415)
Share-based compensation	473			473
Net income		486		486
Other comprehensive income gain (loss)			(534)	(534)
Ending Balance, Shares at Jun. 30, 2018	8,427,884
Ending Balance, Amount at Jun. 30, 2018	$ 19,219	2,705	749	23,140
Stock awards issued, net of tax withholding, Shares	9,809
Stock awards issued, net of tax withholding, Amount	$ (20)			(20)
Issuance of stock through Employee Stock Purchase Plan, Shares	2,382
Issuance of stock through Employee Stock Purchase Plan, Amount	$ 12			12
Share-based compensation	282			282
Net income		342		342
Other comprehensive income gain (loss)			(264)	(264)
Ending Balance, Shares at Sep. 30, 2018	8,440,075
Ending Balance, Amount at Sep. 30, 2018	$ 19,493	3,047	485	23,025
Beginning Balance, Shares at Dec. 31, 2018	8,338,628
Beginning Balance, Amount at Dec. 31, 2018	$ 19,254	3,695	408	23,357
Repurchased shares, Shares	(57,612)
Repurchased shares, Amount	$ (313)			(313)
Stock awards issued, net of tax withholding, Shares	4,046
Stock awards issued, net of tax withholding, Amount	$ (8)			(8)
Issuance of stock through Employee Stock Purchase Plan, Shares	2,763
Issuance of stock through Employee Stock Purchase Plan, Amount	$ 15			15
Share-based compensation	287			287
Net income		26		26
Other comprehensive income gain (loss)			128	128
Ending Balance, Shares at Mar. 31, 2019	8,287,825
Ending Balance, Amount at Mar. 31, 2019	$ 19,235	3,721	536	23,492
Beginning Balance, Shares at Dec. 31, 2018	8,338,628
Beginning Balance, Amount at Dec. 31, 2018	$ 19,254	3,695	408	23,357
Net income				(691)
Ending Balance, Shares at Sep. 30, 2019	8,210,884
Ending Balance, Amount at Sep. 30, 2019	$ 18,490	3,004	(60)	21,434
Beginning Balance, Shares at Mar. 31, 2019	8,287,825
Beginning Balance, Amount at Mar. 31, 2019	$ 19,235	3,721	536	23,492
Repurchased shares, Shares	(188,194)
Repurchased shares, Amount	$ (908)			(908)
Stock awards issued, net of tax withholding, Shares	162,071
Stock awards issued, net of tax withholding, Amount	$ (228)			(228)
Share-based compensation	364			364
Net income		127		127
Other comprehensive income gain (loss)			(118)	(118)
Ending Balance, Shares at Jun. 30, 2019	8,261,702
Ending Balance, Amount at Jun. 30, 2019	$ 18,463	3,848	418	22,729
Repurchased shares, Shares	(55,904)
Repurchased shares, Amount	$ (244)			(244)
Stock awards issued, net of tax withholding, Shares	1,672
Stock awards issued, net of tax withholding, Amount	$ (3)			(3)
Issuance of stock through Employee Stock Purchase Plan, Shares	3,414
Issuance of stock through Employee Stock Purchase Plan, Amount	$ 14			14
Share-based compensation	260			260
Net income		(844)		(844)
Other comprehensive income gain (loss)			(478)	(478)
Ending Balance, Shares at Sep. 30, 2019	8,210,884
Ending Balance, Amount at Sep. 30, 2019	$ 18,490	$ 3,004	$ (60)	$ 21,434