Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Current assets
Cash and cash equivalents	$ 1,085	$ 5,095
Accounts receivable	1,493	1,727
Inventories, net	1,910	1,718
Other current assets	698	315
Total current assets	5,186	8,855
Property, plant and equipment, net	368	478
Operating lease right-of-use asset	293	510
Other assets	271	21
TOTAL ASSETS	6,118	9,864
Current liabilities
Accounts payable and accrued liabilities	2,226	1,640
Accrued compensation	460	640
Current portion of operating lease liability	261	238
Other current liabilities	85	41
Total current liabilities	3,032	2,559
Warrant liability	389	468
Operating lease liability	67	307
Total liabilities	3,488	3,334
Commitments and contingencies
Mezzanine Equity
Series J Convertible Preferred Stock as of December 31, 2025 and December 31, 2024, par value $0.0001 per share; authorized 600,000 shares, issued and outstanding 137 and 102, respectively	6	2
Stockholders’ equity
Preferred stock	0	0
Common stock as of December 31, 2025 and December 31, 2024, par value $0.0001 per share; authorized 100,000,000 shares, issued and outstanding 1,686,217 and 104,142, respectively	0	0
Additional paid‑in capital	318,928	305,366
Accumulated other comprehensive income:
Foreign currency translation adjustment	8	(47)
Accumulated deficit	(316,312)	(298,791)
Total stockholders’ equity	2,624	6,528
TOTAL LIABILITIES, CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS’ EQUITY	6,118	9,864
Series A Junior Participating Preferred Stock [Member]
Stockholders’ equity
Preferred stock	0	0
Series F Convertible Preferred Stock [Member]
Stockholders’ equity
Preferred stock	0	0
Series F-1 Convertible Preferred Stock [Member]
Stockholders’ equity
Preferred stock	$ 0	$ 0