Consolidated Balance Sheets - USD ($)	Dec. 31, 2025	Dec. 31, 2024
Current assets:
Cash and cash equivalents	$ 1,352,000	$ 2,486,000
Accounts receivable	16,000	231,000
Inventory	16,000	80,000
Prepaid research and development	18,000	90,000
Prepaid expenses and other current assets	427,000	347,000
Total current assets	1,829,000	3,234,000
Property, plant and equipment, net	6,000	11,000
Right-of-use assets, net	195,000	293,000
Long-term prepaid contracts	647,000	904,000
Total assets	2,677,000	4,442,000
Current liabilities:
Accounts payable	454,000	452,000
Accrued and other current liabilities	532,000	221,000
Deferred revenue	252,000	0
Insurance premium financing payable	183,000	253,000
Operating lease liability	113,000	95,000
Total current liabilities	1,534,000	1,021,000
Operating lease liability, net of current portion	86,000	199,000
Total liabilities	1,620,000	1,220,000
Commitments and contingencies (Note 9)
Stockholders’ equity:
Common stock, par value $0.01 per share, 60,000,000 shares authorized; 17,580,744 and 15,918,979 issued and outstanding at December 31, 2025 and 2024, respectively	176,000	159,000
Additional paid-in capital	107,450,000	102,757,000
Accumulated deficit	(106,557,000)	(99,688,000)
Accumulated other comprehensive loss	(12,000)	(6,000)
Total stockholders’ equity	1,057,000	3,222,000
Total liabilities and stockholders’ equity	$ 2,677,000	$ 4,442,000