Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 2,486	$ 432
Accounts receivable	231	4
Inventory	80	50
Prepaid research and development	90	210
Prepaid expenses and other current assets	347	87
Total current assets	3,234	783
Property, plant and equipment, net	11	25
Right-of-use assets, net	293	48
Deferred financing costs	0	544
Long-term prepaid contracts	904	1,214
Total assets	4,442	2,614
Current liabilities:
Accounts payable	452	445
Accrued and other current liabilities	221	475
Operating lease liability, current	95	48
Total current liabilities	1,021	968
Operating lease liability, net of current portion	199	0
Total liabilities	1,220	968
Commitments and contingencies (Note 9)
Stockholders’ equity:
Common stock, par value $0.01 per share, 60,000,000 shares authorized; 15,918,979 and 13,947,324 issued and outstanding at December 31, 2024 and 2023, respectively	159	139
Additional paid-in capital	102,757	93,463
Accumulated deficit	(99,688)	(91,956)
Accumulated other comprehensive loss	(6)	0
Total stockholders’ equity	3,222	1,646
Total liabilities and stockholders’ equity	4,442	2,614
Insurance Premium Financing Payable [Member]
Current liabilities:
Insurance premium financing payable	$ 253	$ 0