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Fair Value Measurements, Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Transfers, Net [Abstract]      
Transfer to level 3 $ 0 $ 0  
Transfer from level 3 0 0  
Significant Unobservable Inputs (Level 3) [Member] | Conversion Option [Member]      
Financial Liabilities Fair Value Disclosure [Abstract]      
Liabilities at fair value 2,340 6,255 $ 0
Recurring [Member]      
Financial Liabilities Fair Value Disclosure [Abstract]      
Liabilities at fair value 3,756 15,869  
Recurring [Member] | Warrant Liability [Member]      
Financial Liabilities Fair Value Disclosure [Abstract]      
Liabilities at fair value 1,416 9,614  
Recurring [Member] | Conversion Option [Member]      
Financial Liabilities Fair Value Disclosure [Abstract]      
Liabilities at fair value 2,340 6,255  
Recurring [Member] | Quoted Prices in Active Markets (Level 1) [Member]      
Financial Liabilities Fair Value Disclosure [Abstract]      
Liabilities at fair value 0 0  
Recurring [Member] | Quoted Prices in Active Markets (Level 1) [Member] | Warrant Liability [Member]      
Financial Liabilities Fair Value Disclosure [Abstract]      
Liabilities at fair value 0 0  
Recurring [Member] | Quoted Prices in Active Markets (Level 1) [Member] | Conversion Option [Member]      
Financial Liabilities Fair Value Disclosure [Abstract]      
Liabilities at fair value 0 0  
Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member]      
Financial Liabilities Fair Value Disclosure [Abstract]      
Liabilities at fair value 0 0  
Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Warrant Liability [Member]      
Financial Liabilities Fair Value Disclosure [Abstract]      
Liabilities at fair value 0 0  
Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Conversion Option [Member]      
Financial Liabilities Fair Value Disclosure [Abstract]      
Liabilities at fair value 0 0  
Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member]      
Financial Liabilities Fair Value Disclosure [Abstract]      
Liabilities at fair value 3,756 15,869  
Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Warrant Liability [Member]      
Financial Liabilities Fair Value Disclosure [Abstract]      
Liabilities at fair value 1,416 9,614  
Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Conversion Option [Member]      
Financial Liabilities Fair Value Disclosure [Abstract]      
Liabilities at fair value $ 2,340 $ 6,255