Schedule of Fair Value Hierarchy Assets and Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020	Jun. 30, 2020	Dec. 31, 2019
Assets [Abstract]
Cash	$ 87,200	$ 15,662	$ 5,854	$ 10,261
Fair Value, Recurring [Member]
Assets [Abstract]
Cash	87,200	15,662
Fair Value, Recurring [Member] | Warrant [Member]
Liabilities [Abstract]
Warrant liabilities, at fair value	733	1,062
Fair Value, Inputs, Level 1 [Member] | Fair Value, Recurring [Member]
Assets [Abstract]
Cash	87,200	15,662
Fair Value, Inputs, Level 1 [Member] | Fair Value, Recurring [Member] | Warrant [Member]
Liabilities [Abstract]
Warrant liabilities, at fair value
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member]
Assets [Abstract]
Cash
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member] | Warrant [Member]
Liabilities [Abstract]
Warrant liabilities, at fair value
Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member]
Assets [Abstract]
Cash
Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member] | Warrant [Member]
Liabilities [Abstract]
Warrant liabilities, at fair value	$ 733	$ 1,062