CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (UNAUDITED) - USD ($) $ in Thousands	Total	Common Stock	Retained Earnings (Accumulated Deficit)	Accumulated other comprehensive Income (Loss)
Balance, Shares at Dec. 31, 2020		8,416,335
Balance, Amount at Dec. 31, 2020	$ 19,639	$ 20,071	$ (1,456)	$ 1,024
Stock Awards Issued, Net Of Tax Withholding, Shares		2,089
Stock Awards Issued, Net Of Tax Withholding, Amount	(4)	$ (4)	0	0
Issuance Of Stock Through: Espp, Shares		3,175
Issuance Of Stock Through: Espp, Amount	16	$ 16	0	0
Share-based Compensation	278	278	0	0
Net Income (loss)	(333)	0	(333)	0
Other Comprehensive Income (loss)	(180)	$ 0	0	(180)
Balance, Shares at Mar. 31, 2021		8,421,599
Balance, Amount at Mar. 31, 2021	19,416	$ 20,361	(1,789)	844
Balance, Shares at Dec. 31, 2021		8,621,007
Balance, Amount at Dec. 31, 2021	19,853	$ 20,886	(2,011)	978
Issuance Of Stock Through: Espp, Shares		1,362
Issuance Of Stock Through: Espp, Amount	6	$ 6	0	0
Share-based Compensation	291	291	0	0
Net Income (loss)	(1,820)	0	(1,820)	0
Other Comprehensive Income (loss)	(70)	0	0	(70)
Stock Awards Issued, Net Of Tax Withholding	0	$ 0	0	0
Balance, Shares at Mar. 31, 2022		8,622,369
Balance, Amount at Mar. 31, 2022	$ 18,260	$ 21,183	$ (3,831)	$ 908