Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Common Stock [Member]	Paid-in Capital [Member]	Treasury Stock [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total
Balance at Dec. 31, 2019	$ 25	$ 5,037	$ (9,773)	$ 62,211	$ (1,081)	$ 56,419
Balance (in shares) at Dec. 31, 2019						9,022,187
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense	0	887	0	0	0	$ 887
Issuance of restricted stock	$ 0	0	0	0	0	0
Issuance of restricted stock (in shares)	128,619
Net income (loss)	$ 0	0	0	(4,901)	0	(4,901)	[1]
Foreign currency translation adjustments, net of tax	0	0	0	0	(211)	(211)
Balance at Dec. 31, 2020	25	5,924	(9,773)	57,310	(1,292)	$ 52,194
Balance (in shares) at Dec. 31, 2020						9,150,806
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense	0	797	0	0	0	$ 797
Issuance of restricted stock	$ 0	0	0	0	0	0
Issuance of restricted stock (in shares)	114,075
Purchase of vested stock for employee payroll tax	$ 0	(25)	0	0	0	(25)
Purchase of vested stock for employee payroll tax (in shares)	(4,856)
Repurchase of common stock	$ (1)	(2,737)	0	0	0	(2,738)
Repurchase of common stock (in shares)	(712,690)
Net income (loss)	$ 0	0	0	1,354	0	1,354
Foreign currency translation adjustments, net of tax	0	0	0	0	(81)	(81)
Balance at Dec. 31, 2021	$ 24	$ 3,959	$ (9,773)	$ 58,664	$ (1,373)	$ 51,501
Balance (in shares) at Dec. 31, 2021						8,547,335

[1] For the year ended December 31, 2020, there were 6,401 shares excluded from the diluted EPS calculation because the impact of their assumed vesting would be anti-dilutive due to a net loss in that period.