Stockholders' Deficit (Details) - Schedule of allocation of stock-based compensation expense - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Stockholders' Deficit (Details) - Schedule of allocation of stock-based compensation expense [Line Items]
Total stock-based compensation expense	$ 4	$ 7
Director options and consultants [Member]
Stockholders' Deficit (Details) - Schedule of allocation of stock-based compensation expense [Line Items]
Total stock-based compensation expense	1	2
General and administrative [Member]
Stockholders' Deficit (Details) - Schedule of allocation of stock-based compensation expense [Line Items]
Total stock-based compensation expense	$ 3	$ 5