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The Company, Cash and Cash Equivalents and Restricted Cash (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Cash and Cash Equivalents, at Carrying Value [Abstract]    
Proceeds due from credit card transactions $ 10 $ 21
Maximum [Member]    
Cash and Cash Equivalents, at Carrying Value [Abstract]    
Credit card transaction settlement term 5 days