Property and Equipment (Details) - Schedule of depreciation expense - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Property and Equipment (Details) - Schedule of depreciation expense [Line Items]
Total Depreciation expense	$ 54	$ 54
Research & development [Member]
Property and Equipment (Details) - Schedule of depreciation expense [Line Items]
Total Depreciation expense	36	32
General administrative [Member]
Property and Equipment (Details) - Schedule of depreciation expense [Line Items]
Total Depreciation expense	$ 18	$ 22