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Property and Equipment (Details Textual) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Property and Equipment (Textual)    
Depreciation expense $ 103 $ 16
General and Administrative Expense [Member]    
Property and Equipment (Textual)    
Depreciation expense 4 0
Research and Development Expense [Member]    
Property and Equipment (Textual)    
Depreciation expense $ 99 $ 16