Condensed Consolidated Statement of Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid in Capital [Member]	Retained Earnings (deficit) [Member]	Accumulated Other Comprehensive Loss [Member]
Balance at beginning of the year at Dec. 31, 2019	$ 79,550	$ 130,710	$ 2,793	$ (50,253)	$ (3,700)
Balance at beginning of the year, shares at Dec. 31, 2019		19,713,185
Net Income (loss)	(7,476)			(7,476)
Gain (Loss) on foreign currency translation	(508)				(508)
Employee incentive plan grant		$ 352	(352)
Employee incentive plan grant, shares		49,884
Repurchase to satisfy withholding and cancelled	(13)	$ (13)
Repurchase to satisfy withholding and cancelled, shares		(2,949)
Share-based compensation	222		222
Balance end of year at Mar. 31, 2020	71,775	$ 131,049	2,663	(57,729)	(4,208)
Balance end of year, shares at Mar. 31, 2020		19,760,120
Balance at beginning of the year at Dec. 31, 2019	79,550	$ 130,710	2,793	(50,253)	(3,700)
Balance at beginning of the year, shares at Dec. 31, 2019		19,713,185
Net Income (loss)	(11,724)
Gain (Loss) on foreign currency translation					864
Balance end of year at Sep. 30, 2020	69,333	$ 131,276	2,870	(61,977)	(2,836)
Balance end of year, shares at Sep. 30, 2020		19,794,316
Balance at beginning of the year at Mar. 31, 2020	71,775	$ 131,049	2,663	(57,729)	(4,208)
Balance at beginning of the year, shares at Mar. 31, 2020		19,760,120
Net Income (loss)	(2,677)			(2,677)
Gain (Loss) on foreign currency translation	319				319
Employee incentive plan grant		$ 86	(86)
Employee incentive plan grant, shares		7,360
Share-based compensation	203		203
Balance end of year at Jun. 30, 2020	69,620	$ 131,135	2,780	(60,406)	(3,889)
Balance end of year, shares at Jun. 30, 2020		19,767,480
Net Income (loss)	(1,571)			(1,571)
Gain (Loss) on foreign currency translation	1,053				1,053
Employee incentive plan grant	(1)	$ 142	(143)
Employee incentive plan grant, shares		27,068
Repurchase to satisfy withholding and cancelled	(1)	$ (1)
Repurchase to satisfy withholding and cancelled, shares		(232)
Share-based compensation	233		233
Balance end of year at Sep. 30, 2020	69,333	$ 131,276	2,870	(61,977)	(2,836)
Balance end of year, shares at Sep. 30, 2020		19,794,316
Balance at beginning of the year at Dec. 31, 2020	68,909	$ 131,455	3,025	(63,863)	(1,708)
Balance at beginning of the year, shares at Dec. 31, 2020		19,821,090
Net Income (loss)	(772)			(772)
Gain (Loss) on foreign currency translation	(1,198)				(1,198)
Employee incentive plan grant		$ 584	(584)
Employee incentive plan grant, shares		85,883
Repurchase to satisfy withholding and cancelled	(48)	$ (48)
Repurchase to satisfy withholding and cancelled, shares		(6,183)
Share-based compensation	299		299
Balance end of year at Mar. 31, 2021	67,190	$ 131,991	2,740	(64,635)	(2,906)
Balance end of year, shares at Mar. 31, 2021		19,900,790
Balance at beginning of the year at Dec. 31, 2020	68,909	$ 131,455	3,025	(63,863)	(1,708)
Balance at beginning of the year, shares at Dec. 31, 2020		19,821,090
Net Income (loss)	$ 3,492
Gain (Loss) on foreign currency translation					(1,742)
Repurchase to satisfy withholding and cancelled, shares	(6,183)
Balance end of year at Sep. 30, 2021	$ 71,407	$ 132,171	3,057	(60,371)	(3,450)
Balance end of year, shares at Sep. 30, 2021		19,933,130
Balance at beginning of the year at Mar. 31, 2021	67,190	$ 131,991	2,740	(64,635)	(2,906)
Balance at beginning of the year, shares at Mar. 31, 2021		19,900,790
Net Income (loss)	5,365			5,365
Gain (Loss) on foreign currency translation	196		(26)		222
Employee incentive plan grant		$ 44	(44)
Employee incentive plan grant, shares		5,940
Share-based compensation	278		278
Balance end of year at Jun. 30, 2021	73,029	$ 132,035	2,948	(59,270)	(2,684)
Balance end of year, shares at Jun. 30, 2021		19,906,730
Net Income (loss)	(1,101)			(1,101)
Gain (Loss) on foreign currency translation	(760)		6		(766)
Employee incentive plan grant		$ 136	(136)
Employee incentive plan grant, shares		26,400
Share-based compensation	239		239
Balance end of year at Sep. 30, 2021	$ 71,407	$ 132,171	$ 3,057	$ (60,371)	$ (3,450)
Balance end of year, shares at Sep. 30, 2021		19,933,130