CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Current assets:
Cash	$ 1,064	$ 565
Trade accounts receivable, less allowances of $33 and $15, respectively	526	804
Inventories, net	2,930	3,263
Prepayments to vendors	3	356
Prepaid and other current assets	126	157
Total current assets	4,649	5,145
Property and equipment, net	97	90
Operating lease, right-of-use asset	207	377
Advance for investment in joint venture	156	0
Total assets	5,109	5,612
Current liabilities:
Accrued liabilities	56	90
Accrued legal and professional fees	44	54
Accrued payroll and related benefits	47	148
Accrued sales commissions	1	15
Accrued warranty reserve	91	118
Operating lease liabilities	139	139
Total current liabilities	922	2,443
Operating lease liabilities, net of current portion	78	254
Total liabilities	1,000	2,697
STOCKHOLDERS' EQUITY
Preferred stock, par value $0.0001 per share: Authorized: 5,000,000 shares (3,300,000 shares designated as Series A Convertible Preferred Stock) at December 31, 2025 and December 31, 2024 Issued and outstanding: 876,447 shares at December 31, 2025 and December 31, 2024	0	0
Common stock, par value $0.0001 per share: Authorized: 50,000,000 shares at December 31, 2025 and December 31, 2024 Issued and outstanding: 6,268,433 shares at December 31, 2025 and 5,260,741 shares at December 31, 2024	1	1
Additional paid-in capital	160,035	157,814
Accumulated other comprehensive loss	(3)	(3)
Accumulated deficit	(155,924)	(154,897)
Total stockholders' equity	4,109	2,915
Total liabilities and stockholders' equity	5,109	5,612
Nonrelated Party
Current assets:
Trade accounts receivable, less allowances of $33 and $15, respectively	526	804
Current liabilities:
Accounts payable	158	970
Related Party
Current liabilities:
Accounts payable	$ 386	$ 909