Condensed Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended				9 Months Ended		12 Months Ended
	Sep. 30, 2025	Mar. 31, 2025	Sep. 30, 2024	Mar. 31, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Cash flows from operating activities
Net loss	$ (2,596)	$ (1,502)	$ (1,431)	$ (1,481)	$ (6,029)	$ (4,178)
Adjustments to reconcile net loss to net cash used in operating activities:
Stock-based compensation					415	166
Depreciation	0		1		2	3
Amortization of right-of-use asset					0	76
Inventory allowances					230	16
Provision for credit losses					0	5
Issuance of warrants for services					93	0
Loss on disposal of property and equipment	117		0		117	0
Changes in operating assets and liabilities:
Accounts receivable					50	160
Inventory					85	9
Prepaid expenses and other current assets					(18)	93
Accounts payable					340	(380)
Accrued expenses					26	(268)
Lease liabilities					0	(96)
Other Assets					(23)	34
Net cash used in operating activities					(4,712)	(4,360)
Cash flows from investing activities
Acquisition of property and equipment					(13)	0
Acquisition of licensed technology					(543)	0
Net cash used in investing activities					(556)	0
Cash flows from financing activities
Proceeds from issuance of common stock, net of issuance costs					2,337	0
Proceeds from issuance of common stock and warrants, net of issuance costs					0	3,266
Proceeds from issuance of preferred stock and warrants, net of issuance costs					4,338	0
Proceeds from warrant exercises					109	0
Offering costs in advance of sale of common stock					(68)	(112)
Net cash provided by financing activities					6,716	3,154
Net increase (decrease) in cash and cash equivalents					1,448	(1,206)
Beginning of period		$ 2,002		$ 3,395	2,002	3,395	$ 3,395
End of period	$ 3,450		$ 2,189		3,450	2,189	$ 2,002
Supplemental disclosure on noncash investing and financing activities
Issuance of warrants					314	70
Dividends declared					36	0
Deemed dividends					10	0
Write-off of ROU asset and lease liability					0	290
Issuance of Stock in Exchange for License [Member]
Supplemental disclosure on noncash investing and financing activities
Issuance of common stock and preferred stock in exchange for license					1,700	0
Issuance of Stock for Equity Line of Credit [Member]
Supplemental disclosure on noncash investing and financing activities
Issuance of common stock and preferred stock in exchange for license					$ 94	$ 0