Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Net revenues
Total net revenues		$ 741
Cost of revenues
Total costs of revenues		491
Gross profit		250
Operating costs and expenses
Research and development	2,282	2,860
General and administrative	2,464	6,209
Impairment of assets held for sale	56	54
Total operating costs and expenses	4,802	9,123
Operating loss	(4,802)	(8,873)
Other income (expense), net
Change in fair value of common stock warrant liability	528	5,105
Interest expense, net	31	(15)
Other income, net		12
Net loss and comprehensive loss	$ (4,243)	$ (3,771)
Net loss per share attributable to common stockholders
Basic	$ (0.58)	$ (1.12)	[1]
Diluted	$ (0.58)	$ (2.37)	[1]
Weighted average shares outstanding
Basic	7,320,754	3,364,535	[1]
Diluted	7,320,754	3,575,970	[1]
Service [Member]
Net revenues
Total net revenues		$ 741
Cost of revenues
Total costs of revenues		$ 491

[1] Giving retroactive effect to the 1-for-25 reverse stock split effectuated on May 16, 2022