Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Current assets
Cash and cash equivalents	$ 3	$ 38
Prepaid expenses	155	86
Other current assets	104	109
Total current assets	262	233
Intangible assets, net	2,621	378
Other assets	111	114
Total assets	2,994	725
Current liabilities
Accounts payable	4,988	4,556
Notes payable	386
Senior PIK Notes	4,461	4,203
Accrued severance	1,815	1,696
Accrued settlement	2,260	2,260
Accrued and other liabilities	42	30
Total current liabilities	17,072	14,336
Warrant liabilities		8
Other liabilities	359	481
Total liabilities	17,931	14,825
Commitments and contingencies (Note 11)
Stockholders’ deficit
Preferred stock, $0.0001 par value; 10,000,000 shares authorized, none issued or outstanding as of March 31, 2024 and December 31, 2023
Class A Common Stock, $0.0001 par value, 500,000,000 shares authorized, 9,959,594 and 7,646,032 shares issued and outstanding, respectively, as of March 31, 2024 and December 31, 2023	1	1
Additional paid-in capital	164,282	162,959
Accumulated deficit	(179,220)	(177,060)
Total stockholders’ deficit	(14,937)	(14,100)
Total liabilities and stockholders’ deficit	2,994	725
Related Party
Current liabilities
Related parties payables and promissory notes	3,120	1,591
Related party payables	$ 500