Condensed Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Cash flows from operating activities
Net loss	$ (1,502)	$ (1,481)
Adjustments to reconcile net loss to net cash used in operating activities:
Stock- based compensation	100	54
Depreciation	1	1
Amortization of right-of-use asset		45
Inventory allowances		(4)
Changes is operating assets and liabilities:
Accounts receivable	56	100
Inventory	13	(14)
Prepaid expenses and other current assets	(24)	77
Accounts payable	313	(166)
Accrued expenses	156	(230)
Lease liabilities		(48)
Other Assets	(2)
Net cash used in operating activities	(889)	(1,666)
Cash flows from investing activities
Acquisition of licensed technology	(526)
Net cash used in investing activities	(526)
Cash flows from financing activities
Proceeds from warrant exercises	109
Offering costs in advance of sale of common stock	(27)	(61)
Net cash provided by (used in) financing activities	82	(61)
Net decrease in cash and cash equivalents	(1,333)	(1,727)
Cash and cash equivalents
Beginning of period	2,002	3,395
End of period	669	$ 1,668
Supplemental disclosure on noncash investing and financing activities
Issuance of common and preferred stock in exchange for license	1,700
Issuance of common stock for equity line of credit commitment fee	$ 94