Annual report pursuant to Section 13 and 15(d)

Schedule of Estimated Fair Value of Financial Instrument (Details)

v3.22.1
Schedule of Estimated Fair Value of Financial Instrument (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]    
Cost $ 32,008 $ 5,297
Unrealized gains
Unrealized losses (29)
Fair value 31,979 5,297
Accounts Payable [Member]    
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]    
[custom:AvailableForSalesDebtSecuritiesAmortizedCostBasis-0] (8,189)  
Cash and Cash Equivalents [Member]    
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]    
Cost 8,968 5,297
Unrealized gains
Unrealized losses
Fair value 8,968 5,297
Short-Term Investments [Member]    
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]    
Cost 23,040
Unrealized gains
Unrealized losses (29)
Fair value $ 23,011