Consolidated Statements of Cash Flows - USD ($)	3 Months Ended		12 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Operating activities:
Net loss	$ (1,575,000)	$ (10,249,000)
Adjustments to reconcile net loss to net cash used in operating activities:
Change in fair value of rights from Private Placement	0	3,832,000
Change in fair value of notes payable	0	9,000
Non-cash stock-based compensation	241,000	477,000
Non-cash operating lease expense	0	199,000
Common stock issued for services	0	469,000
Changes in operating assets and liabilities:
Prepaid expenses and other current assets	(153,000)	(193,000)
Accounts payable	985,000	2,432,000
Accrued expenses and other current liabilities	(948,000)	(759,000)
Operating lease liability	0	(228,000)
Deferred revenue	10,000	0
Net cash used in operating activities	(1,440,000)	(4,011,000)
Financing activities:
Proceeds from private placement	1,102,000	0
Proceeds from issuance of common stock and pre-funded warrants	2,000	0
Proceeds from exercise of warrants	6,000	1,000
Net cash provided by financing activities	1,110,000	1,000
Net change in cash and restricted cash	(330,000)	(4,010,000)
Cash and restricted cash at beginning of year	638,000	5,858,000	$ 5,858,000
Cash and restricted cash at end of year	308,000	1,848,000	638,000
Components of cash and restricted cash:
Cash	304,000	1,773,000	634,000
Restricted cash	4,000	75,000
Total cash and restricted cash	308,000	1,848,000	$ 638,000
Supplemental disclosure of cash flow information:
Cash paid for interest	$ 23,000	$ 5,000