CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	3 Months Ended				6 Months Ended		12 Months Ended
	Jun. 30, 2025	Mar. 31, 2025	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024
Cash flows from operating activities:
Net loss	$ (231,000)	$ (268,000)	$ (554,000)	$ (418,000)	$ (499,000)	$ (972,000)	$ (1,600,000)
Adjustments to reconcile net loss to net cash used in operating activities:
Foreign exchange gain	(45,000)		0		(45,000)	0
Loss on settlement of vendor obligations	8,000		0		8,000	0
Gain on debt extinguishment	0		0		0	(187,000)
Depreciation	10,000		11,000		19,000	19,000
Stock-based compensation	0		0		(4,000)	1,000
Provision for credit losses and sales return	71,000		(12,000)		64,000	(76,000)
Provision for slow-moving and obsolete inventories	44,000		158,000		58,000	225,000
Provision for warranties	3,000		1,000		(30,000)	(33,000)
Amortization of loan discounts and origination fees	0		0		0	5,000
Changes in operating assets and liabilities:
Accounts receivable	(414,000)		(243,000)		(191,000)	1,197,000
Inventories	85,000		448,000		101,000	423,000
Prepayments to vendors	197,000		(87,000)		(16,000)	15,000
Prepaid and other assets	2,000		(16,000)		18,000	(59,000)
Accrued and other liabilities	26,000		1,000		21,000	(26,000)
Operating lease - ROU and liabilities	(2,000)		11,000		(2,000)	24,000
Total adjustments	16,000		(164,000)		12,000	196,000
Net cash used in operating activities	(215,000)		(718,000)		(487,000)	(776,000)	(1,300,000)
Cash flows from investing activities:
Acquisitions of property and equipment	0		0		(5,000)	0
Net cash used in investing activities	0		0		(5,000)	0
Cash flows from financing activities:
Issuance of common stock	200,000		851,000		400,000	851,000
Payments on the 2022 Streeterville Note	0		0		0	(1,000,000)
Net cash provided by (used in) financing activities	200,000		851,000		400,000	(149,000)
Effect of exchange rate changes on cash	26,000		0		26,000	0
Net increase (decrease) in cash	11,000		133,000		(66,000)	(925,000)
Cash, beginning of period	488,000	565,000	972,000	2,030,000	565,000	2,030,000	2,030,000
Cash, end of period	499,000	$ 488,000	1,105,000	$ 972,000	499,000	1,105,000	$ 565,000
Supplemental information:
Cash paid in year for interest	0		0		0	5,000
Non-cash investing and financing activities:
Debt-to-equity exchange transactions	0		0		0	591,000
Acquisition of property and equipment through accounts payable	34,000		0		39,000	0
Nonrelated Party
Changes in operating assets and liabilities:
Accounts payable	0		140,000		(63,000)	79,000
Related Party
Changes in operating assets and liabilities:
Accounts payable	$ 31,000		$ (576,000)		$ 74,000	$ (1,411,000)