Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Treasury Stock [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total		Cumulative Effect, Period of Adoption, Adjustment [Member] Common Stock [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Additional Paid-in Capital [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Treasury Stock [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Retained Earnings [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Accumulated Other Comprehensive Income (Loss) [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member]
Balance at Dec. 31, 2018	$ 25	$ 4,267	$ (9,038)	$ 64,476	$ (1,444)	$ 58,286
Balance (Accounting Standards Update 2016-02 [Member]) at Dec. 31, 2018								$ 0	$ 0	$ 0	$ (362)	$ 0	$ (362)
Balance (in shares) at Dec. 31, 2018						9,060,561
Balance (in shares) (Accounting Standards Update 2016-02 [Member]) at Dec. 31, 2018								0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense	0	186	0	0	0	$ 186
Issuance of restricted stock	$ 0	0	0	0	0	0
Issuance of restricted stock (in shares)	1,408
Purchase of treasury stock	$ 0	0	$ (715)	0	0	(715)
Purchase of treasury stock (in shares)			(127,945)
Net Income (loss)	0	0	$ 0	1,520	0	1,520
Foreign currency translation adjustments, net of tax	0	0	0	0	314	314
Balance at Mar. 31, 2019	25	4,453	(9,753)	65,634	(1,130)	$ 59,229
Balance (in shares) at Mar. 31, 2019						8,934,024
Balance at Dec. 31, 2018	25	4,267	(9,038)	64,476	(1,444)	$ 58,286
Balance (Accounting Standards Update 2016-02 [Member]) at Dec. 31, 2018								$ 0	$ 0	$ 0	$ (362)	$ 0	$ (362)
Balance (in shares) at Dec. 31, 2018						9,060,561
Balance (in shares) (Accounting Standards Update 2016-02 [Member]) at Dec. 31, 2018								0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income (loss)						$ 645
Foreign currency translation adjustments, net of tax						402
Balance at Jun. 30, 2019	25	4,645	(9,762)	64,759	(1,042)	$ 58,625
Balance (in shares) at Jun. 30, 2019						8,932,224
Balance at Mar. 31, 2019	25	4,453	(9,753)	65,634	(1,130)	$ 59,229
Balance (in shares) at Mar. 31, 2019						8,934,024
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense	0	192	0	0	0	$ 192
Purchase of treasury stock	0	0	$ (9)	0	0	(9)
Purchase of treasury stock (in shares)			(1,800)
Net Income (loss)	0	0	$ 0	(875)	0	(875)	[1]
Foreign currency translation adjustments, net of tax	0	0	0	0	88	88
Balance at Jun. 30, 2019	25	4,645	(9,762)	64,759	(1,042)	$ 58,625
Balance (in shares) at Jun. 30, 2019						8,932,224
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	228	0	0	0	$ 228
Issuance of restricted stock	$ 0	0	0	0	0	0
Issuance of restricted stock (in shares)	20,804
Net Income (loss)	$ 0	0	0	(1,738)	0	(1,738)
Foreign currency translation adjustments, net of tax	0	0	0	0	(346)	(346)
Balance at Mar. 31, 2020	25	5,265	(9,773)	60,473	(1,427)	$ 54,563
Balance (in shares) at Mar. 31, 2020						9,042,991
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]
Net Income (loss)						$ (3,513)
Foreign currency translation adjustments, net of tax						(216)
Balance at Jun. 30, 2020	25	5,448	(9,773)	58,698	(1,297)	$ 53,101
Balance (in shares) at Jun. 30, 2020						9,042,991
Balance at Mar. 31, 2020	25	5,265	(9,773)	60,473	(1,427)	$ 54,563
Balance (in shares) at Mar. 31, 2020						9,042,991
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense	0	183	0	0	0	$ 183
Net Income (loss)	0	0	0	(1,775)	0	(1,775)
Foreign currency translation adjustments, net of tax	0	0	0	0	130	130
Balance at Jun. 30, 2020	$ 25	$ 5,448	$ (9,773)	$ 58,698	$ (1,297)	$ 53,101
Balance (in shares) at Jun. 30, 2020						9,042,991

[1] For the three months ended June 30, 2019, there were 2,290 shares, respectively 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.