Fair Value Measurements (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Quoted prices in active markets (Level 1) [Member]
Liabilities:
Derivative liability	$ 0	$ 0
Quoted prices in active markets (Level 1) [Member] | Warrant [Member]
Liabilities:
Warrant liability	0	0
Significant other observable inputs (Level 2) [Member]
Liabilities:
Derivative liability	0	0
Significant other observable inputs (Level 2) [Member] | Warrant [Member]
Liabilities:
Warrant liability	0	0
Significant unobservable inputs (Level 3) [Member]
Liabilities:
Derivative liability	387	387
Significant unobservable inputs (Level 3) [Member] | Warrant [Member]
Liabilities:
Warrant liability	$ 8	$ 8