CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Current assets:
Cash	$ 8,490	$ 11,781
Restricted cash	0	50
Prepaid expenses and other current assets	832	615
Total current assets	9,322	12,446
Right of use asset	33	161
Property and equipment, net	6	183
Other assets	3	24
Total assets	9,364	12,814
Current liabilities:
Accounts payable	657	779
Accrued expenses	942	1,025
Lease liability	35	135
Total current liabilities	1,634	1,939
Lease liability, net of current portion	0	35
Total liabilities	1,634	1,974
Commitments and contingencies (Footnote 7)
Series D Preferred Stock, $0.0001 par value; 0 and 1 shares authorized, issued and outstanding at December 31, 2023 and December 31, 2022, respectively	0	2
Stockholders’ equity:
Common stock, $0.0001 par value, 100,000,000 shares authorized; 3,747,329 and 1,139,024 shares issued and outstanding at December 31, 2023 and December 31, 2022, respectively	0	0
Additional paid-in capital	146,936	139,218
Accumulated deficit	(139,206)	(128,380)
Total stockholders’ equity	7,730	10,838
Total liabilities, preferred stock and stockholders’ equity	$ 9,364	$ 12,814