Condensed Consolidated Statements Of Changes In Stockholders' Equity - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-In Capital [Member]	Treasury Stock [Member]	Accumulated Other Comprehensive Loss [Member]	Accumulated Deficit [Member]	Total
Balance at Dec. 31, 2018	$ 12	$ 99,224	$ (1,253)	$ (10,115)	$ (69,448)	$ 18,420
Balance, shares at Dec. 31, 2018	12,126,708
Restricted stock vested, shares	36,343
Stock-based compensation expense		263				263
Net income (loss)					(8,316)	(8,316)
Foreign currency translation income (loss)				(170)		(170)
Balance at Sep. 30, 2019	$ 12	99,487	(1,253)	(10,285)	(77,764)	10,197
Balance, shares at Sep. 30, 2019	12,163,051
Balance at Jun. 30, 2019	$ 12	99,417	(1,253)	(10,129)	(77,547)	10,500
Balance, shares at Jun. 30, 2019	12,162,270
Restricted stock vested, shares	781
Stock-based compensation expense		70				70
Net income (loss)					(217)	(217)
Foreign currency translation income (loss)				(156)		(156)
Balance at Sep. 30, 2019	$ 12	99,487	(1,253)	(10,285)	(77,764)	10,197
Balance, shares at Sep. 30, 2019	12,163,051
Balance at Dec. 31, 2019	$ 12	99,555	(1,253)	(10,053)	(79,143)	$ 9,118
Balance, shares at Dec. 31, 2019	12,163,834					12,163,834
Restricted stock vested, shares	31,606
Stock-based compensation expense		159				$ 159
Net income (loss)					56	56
Foreign currency translation income (loss)				(436)		(436)
Balance at Sep. 30, 2020	$ 12	99,714	(1,253)	(10,489)	(79,087)	$ 8,897
Balance, shares at Sep. 30, 2020	12,195,440					12,195,440
Balance at Jun. 30, 2020	$ 12	99,622	(1,253)	(10,675)	(79,223)	$ 8,483
Balance, shares at Jun. 30, 2020	12,194,971
Restricted stock vested, shares	469
Stock-based compensation expense		92				92
Net income (loss)					136	136
Foreign currency translation income (loss)				186		186
Balance at Sep. 30, 2020	$ 12	$ 99,714	$ (1,253)	$ (10,489)	$ (79,087)	$ 8,897
Balance, shares at Sep. 30, 2020	12,195,440					12,195,440