Annual report pursuant to Section 13 and 15(d)

Company Description and Summary of Significant Accounting Policies, Fair Value of Financial Instruments Measured on a Recurring Basis (Details)

v3.22.1
Company Description and Summary of Significant Accounting Policies, Fair Value of Financial Instruments Measured on a Recurring Basis (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Company Description and Summary of Significant Accounting Policies [Abstract]    
Transfers from Level 1 to Level 2 $ 0 $ 0
Transfers from Level 2 to Level 1 0 0
Transfers in into Level 3 0 0
Transfers out of Level 3 0 0
Recurring Basis [Member]    
Assets [Abstract]    
Assets at fair value 219  
Liabilities [Abstract]    
Liabilities at fair value   27,964
Recurring Basis [Member] | Warrant Liabilities [Member]    
Liabilities [Abstract]    
Liabilities at fair value   27,964
Recurring Basis [Member] | Short- term investments [Member]    
Assets [Abstract]    
Assets at fair value 219  
Recurring Basis [Member] | Level 1 [Member]    
Assets [Abstract]    
Assets at fair value 219  
Liabilities [Abstract]    
Liabilities at fair value   0
Recurring Basis [Member] | Level 1 [Member] | Warrant Liabilities [Member]    
Liabilities [Abstract]    
Liabilities at fair value   0
Recurring Basis [Member] | Level 1 [Member] | Short- term investments [Member]    
Assets [Abstract]    
Assets at fair value 219  
Recurring Basis [Member] | Level 2 [Member]    
Assets [Abstract]    
Assets at fair value 0  
Liabilities [Abstract]    
Liabilities at fair value   0
Recurring Basis [Member] | Level 2 [Member] | Warrant Liabilities [Member]    
Liabilities [Abstract]    
Liabilities at fair value   0
Recurring Basis [Member] | Level 2 [Member] | Short- term investments [Member]    
Assets [Abstract]    
Assets at fair value 0  
Recurring Basis [Member] | Level 3 [Member]    
Assets [Abstract]    
Assets at fair value 0  
Liabilities [Abstract]    
Liabilities at fair value   27,964
Recurring Basis [Member] | Level 3 [Member] | Warrant Liabilities [Member]    
Liabilities [Abstract]    
Liabilities at fair value   $ 27,964
Recurring Basis [Member] | Level 3 [Member] | Short- term investments [Member]    
Assets [Abstract]    
Assets at fair value $ 0