Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Common Stock Outstanding [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Nil Coupon Perpetual Loan Notes [Member]	Treasury Stock [Member]	Total
Balance (in shares) at Dec. 31, 2020	25,229,000
Balance at Dec. 31, 2020	$ 262	$ 140,138	$ (114,603)	$ (1,370)	$ 76	$ (2,182)	$ 22,321
Net income (loss)			54				54
Foreign currency translation adjustments				(234)			(234)
Stock compensation expense		82					82
Common stock issued in connection with private placement, net (in shares)	5,000,000
Common stock issued in connection with private placement, net	$ 50	23,979					24,029
Common stock issued upon vesting of restricted stock units (in shares)	50,000
Common stock issued upon vesting of restricted stock units							$ 0
Treasury shares withheld (in shares)	(15,000)						15,162
Treasury shares withheld						(52)	$ (52)
Balance (in shares) at Dec. 31, 2021	30,264,000
Balance at Dec. 31, 2021	$ 312	164,199	(114,549)	(1,604)	76	(2,234)	46,200
Net income (loss)			(1,442)				(1,442)
Foreign currency translation adjustments				(124)			(124)
Stock compensation expense		224					224
Common stock issued upon vesting of restricted stock units (in shares)	45,000
Common stock issued upon vesting of restricted stock units	$ 1	(1)					$ 0
Treasury shares withheld (in shares)	(13,000)						12,497
Treasury shares withheld						(17)	$ (17)
Balance (in shares) at Dec. 31, 2022	30,296,000
Balance at Dec. 31, 2022	$ 313	$ 164,422	$ (115,991)	$ (1,728)	$ 76	$ (2,251)	$ 44,841