Accrued Expenses (Details) - Schedule of accrued expenses - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Schedule of accrued expenses [Abstract]
Employee bonuses	$ 1,001	$ 1,530
Taxes	20	159
Legal fees	43	156
Research and development costs	197	37
Other expenses	178	31
Total	$ 1,439	$ 1,913