Condensed Statements of Stockholders' Equity (Unaudited) - USD ($) shares in Thousands, $ 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, 2023	30,385
Balance at Dec. 31, 2023	$ 313	$ 164,853	$ (117,529)	$ (1,748)	$ 76	$ (2,251)	$ 43,714
Net income (loss)	0	0	281	0	0	0	281
Foreign currency translation adjustments	0	0	0	(143)	0	0	(143)
Stock compensation expense	$ 0	104	0	0	0	0	104
Balance (in shares) at Mar. 31, 2024	30,385
Balance at Mar. 31, 2024	$ 313	164,957	(117,248)	(1,891)	76	(2,251)	43,956
Balance (in shares) at Dec. 31, 2023	30,385
Balance at Dec. 31, 2023	$ 313	164,853	(117,529)	(1,748)	76	(2,251)	43,714
Net income (loss)							(140)
Foreign currency translation adjustments							(138)
Balance (in shares) at Jun. 30, 2024	30,708
Balance at Jun. 30, 2024	$ 317	165,077	(117,669)	(1,886)	76	(2,346)	43,569
Balance (in shares) at Mar. 31, 2024	30,385
Balance at Mar. 31, 2024	$ 313	164,957	(117,248)	(1,891)	76	(2,251)	43,956
Net income (loss)	0	0	(421)	0	0	0	(421)
Foreign currency translation adjustments	0	0	0	5	0	0	5
Stock compensation expense	$ 0	124	0	0	0	0	124
Common shares issued upon vesting of restricted stock units (in shares)	406
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)
Taxes paid on behalf of equity award participants	$ 0	0	0	0	0	(95)	(95)
Balance (in shares) at Jun. 30, 2024	30,708
Balance at Jun. 30, 2024	$ 317	165,077	(117,669)	(1,886)	76	(2,346)	43,569
Balance (in shares) at Dec. 31, 2024	30,708
Balance at Dec. 31, 2024	$ 317	165,295	(119,472)	(1,915)	76	(2,346)	41,955
Net income (loss)	0	0	(739)	0	0	0	(739)
Foreign currency translation adjustments	0	0	0	135	0	0	135
Stock compensation expense	$ 0	110	0	0	0	0	110
Common shares issued upon vesting of restricted stock units (in shares)	85
Common shares issued upon vesting of restricted stock units	$ 1	0	0	0	0	0	1
Taxes paid on behalf of equity award participants (in shares)	(24)
Taxes paid on behalf of equity award participants	$ 0	0	0	0	0	(24)	(24)
Balance (in shares) at Mar. 31, 2025	30,769
Balance at Mar. 31, 2025	$ 318	165,405	(120,211)	(1,780)	76	(2,370)	41,438
Balance (in shares) at Dec. 31, 2024	30,708
Balance at Dec. 31, 2024	$ 317	165,295	(119,472)	(1,915)	76	(2,346)	41,955
Net income (loss)							(1,428)
Foreign currency translation adjustments							146
Balance (in shares) at Jun. 30, 2025	31,075
Balance at Jun. 30, 2025	$ 322	165,503	(120,900)	(1,769)	76	(2,568)	40,664
Balance (in shares) at Mar. 31, 2025	30,769
Balance at Mar. 31, 2025	$ 318	165,405	(120,211)	(1,780)	76	(2,370)	41,438
Net income (loss)	0	0	(689)	0	0	0	(689)
Foreign currency translation adjustments	0	0	0	11	0	0	11
Stock compensation expense	$ 0	102	0	0	0	0	102
Common shares issued upon vesting of restricted stock units (in shares)	429
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)	(123)
Taxes paid on behalf of equity award participants	$ 0	0	0	0	0	(198)	(198)
Balance (in shares) at Jun. 30, 2025	31,075
Balance at Jun. 30, 2025	$ 322	$ 165,503	$ (120,900)	$ (1,769)	$ 76	$ (2,568)	$ 40,664