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, Common [Member]	Total
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
Net income (loss)	0	0	(1,538)	0	0	0	(1,538)
Foreign currency translation adjustments	0	0	0	(20)	0	0	(20)
Stock compensation expense	$ 0	389	0	0	0	0	$ 389
Exercise of stock options (in shares)	44,000						44,000
Exercise of stock options	$ 0	42	0	0	0	0	$ 42
Common shares issued upon vesting of restricted stock units (in shares)	45,000
Common shares issued upon vesting of restricted stock units	$ 0	0	0	0	0	0	0
Balance (in shares) at Dec. 31, 2023	30,385,000
Balance at Dec. 31, 2023	$ 313	164,853	(117,529)	(1,748)	76	(2,251)	43,714
Net income (loss)	0	0	(1,943)	0	0	0	(1,943)
Foreign currency translation adjustments	0	0	0	(167)	0	0	(167)
Stock compensation expense	$ 0	446	0	0	0	0	$ 446
Exercise of stock options (in shares)							(0)
Exercise of stock options							$ 0
Common shares issued upon vesting of restricted stock units (in shares)	406,000
Common shares issued upon vesting of restricted stock units	$ 4	(4)	0	0	0	0	0
Taxes paid on behalf of equity award participants (in shares)	(83,000)
Taxes paid on behalf of equity award participants	$ 0	0	0	0	0	(95)	(95)
Balance (in shares) at Dec. 31, 2024	30,708,000
Balance at Dec. 31, 2024	$ 317	$ 165,295	$ (119,472)	$ (1,915)	$ 76	$ (2,346)	$ 41,955