Prepaid Expenses and Other Current Assets (Details) - Schedule of prepaid expenses and other current assets - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Schedule of prepaid expenses and other current assets [Abstract]
Prepaid insurance	$ 279	$ 292
Prepaid research and development	684	209
Prepaid software	79	10
Accrued interest on marketable debt securities	634
Prepaid rent		113
Other prepaid expenses	173	111
Other current assets	34	52
Total	$ 1,883	$ 787