CONDENSED STATEMENTS OF CASH FLOWS - USD ($)	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Cash flows from operating activities:
Net loss	$ (2,063,000)	$ (1,665,000)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	31,000	39,000
Stock-based compensation	23,000	91,000
Operating lease	8,000	0
Bad debt expense	5,000	0
Accretion of interest on held-to-maturity investments	(6,000)	0
Changes in operating assets and liabilities:
Accounts receivable	32,000	(163,000)
Prepaid expenses and other current assets	(40,000)	119,000
Inventory	(54,000)	41,000
Accounts payable	(68,000)	(51,000)
Accrued expenses	210,000	32,000
Deferred revenue	(7,000)	0
Net cash used in operating activities	(1,929,000)	(1,557,000)
Cash flows from investing activities:
Maturity of held-to-maturity investment	1,000,000	0
Purchase of property and equipment	0	(36,000)
Net cash provided by (used in) investing activities	1,000,000	(36,000)
Cash flows from financing activities:
Proceeds from the exercise of warrants, net	0	889,000
Proceeds from issuances of common stock, net	173,000	1,066,000
Repayments of notes payable	(15,000)	(14,000)
Net cash provided by financing activities	158,000	1,941,000
Increase (decrease) in cash and cash equivalents	(771,000)	348,000
Cash and cash equivalents, beginning of period	7,575,000	1,307,000
Cash and cash equivalents, end of period	6,804,000	1,655,000
Supplemental cash flow information is as follows:
Interest paid	4,000	5,000
Income taxes paid	$ 0	$ 0