Annual report pursuant to Section 13 and 15(d)

Fair Value Measurements - Fair Value of Assets and Liabilities Measured on a Recurring Basis (Details) (Details)

v3.22.4
Fair Value Measurements - Fair Value of Assets and Liabilities Measured on a Recurring Basis (Details) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Fair Value    
Unrealized Gain (Loss) on Investments $ (296) $ (891)
Change in fair value of warrant liability 2,394 6,001
Warrant Liability 0 2,394
Big Toe Ventures LLC    
Fair Value    
Unrealized Gain (Loss) on Investments 196 804
Level 3 | Big Toe Ventures LLC    
Fair Value    
Unrealized Gain (Loss) on Investments (196) (804)
Fair Value, Recurring | Level 1    
Fair Value    
Fair value of assets 3,502 7,054
Fair Value, Recurring | Level 1 | Cash and Cash Equivalents    
Fair Value    
Fair value of assets 2,202 4,221
Fair Value, Recurring | Level 1 | Restricted cash    
Fair Value    
Fair value of assets 1,298 2,731
Fair Value, Recurring | Level 1 | Investments.    
Fair Value    
Fair value of assets $ 2 102
Fair Value, Recurring | Level 3    
Fair Value    
Fair value of assets   2,590
Fair Value, Recurring | Level 3 | Warrant liability    
Fair Value    
Fair value of assets   2,394
Fair Value, Recurring | Level 3 | Investments.    
Fair Value    
Fair value of assets   $ 196