Property and Equipment, net (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Property and Equipment, net (Details) [Line Items]
Depreciation expense	$ 117	$ 103
Total property and equipment, net	100.00%	100.00%
Research and Development Expense [Member]
Property and Equipment, net (Details) [Line Items]
Depreciation expense	$ 36	$ 99
General and Administrative Expense [Member]
Property and Equipment, net (Details) [Line Items]
Depreciation expense	$ 81	$ 4