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
Foreign currency translation adjustments	$ 0	0	0	(143)	0	0	(143)
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)							(60)
Foreign currency translation adjustments							(32)
Balance (in shares) at Sep. 30, 2024	30,708
Foreign currency translation adjustments							(32)
Balance at Sep. 30, 2024	$ 317	165,186	(117,589)	(1,780)	76	(2,346)	43,864
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
Foreign currency translation adjustments	$ 0	0	0	5	0	0	5
Balance at Jun. 30, 2024	317	165,077	(117,669)	(1,886)	76	(2,346)	43,569
Net income (loss)	0	0	80	0	0	0	80
Foreign currency translation adjustments	0	0	0	106	0	0	106
Stock compensation expense	$ 0	109	0	0	0	0	109
Balance (in shares) at Sep. 30, 2024	30,708
Foreign currency translation adjustments	$ 0	0	0	106	0	0	106
Balance at Sep. 30, 2024	$ 317	165,186	(117,589)	(1,780)	76	(2,346)	43,864
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	(1)	0	0	0	0	0
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
Foreign currency translation adjustments	$ 0	0	0	135	0	0	135
Balance at Mar. 31, 2025	$ 318	165,404	(120,211)	(1,780)	76	(2,370)	41,437
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)							(1,125)
Foreign currency translation adjustments							132
Balance (in shares) at Sep. 30, 2025	31,075
Foreign currency translation adjustments							132
Balance at Sep. 30, 2025	$ 322	165,559	(120,597)	(1,783)	76	(2,568)	41,009
Balance (in shares) at Mar. 31, 2025	30,769
Balance at Mar. 31, 2025	$ 318	165,404	(120,211)	(1,780)	76	(2,370)	41,437
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
Foreign currency translation adjustments	$ 0	0	0	11	0	0	11
Balance at Jun. 30, 2025	322	165,502	(120,900)	(1,769)	76	(2,568)	40,663
Net income (loss)	0	0	303	0	0	0	303
Foreign currency translation adjustments	0	0	0	(14)	0	0	(14)
Stock compensation expense	$ 0	57	0	0	0	0	57
Balance (in shares) at Sep. 30, 2025	31,075
Foreign currency translation adjustments	$ 0	0	0	(14)	0	0	(14)
Balance at Sep. 30, 2025	$ 322	$ 165,559	$ (120,597)	$ (1,783)	$ 76	$ (2,568)	$ 41,009