Quarterly report pursuant to Section 13 or 15(d)

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

v3.23.1
Fair Value Measurements - Fair Value of Assets and Liabilities Measured on a Recurring Basis (Details) (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Dec. 31, 2022
Fair Value      
Investments $ 6,402   $ 6,402
Unrealized loss on investment   $ (45)  
Change in fair value of warrant liability   2,163  
Warrant liability 0    
Akerna Corp      
Fair Value      
Investments 2   2
Unrealized loss on investment 0 (45)  
Big Toe Ventures LLC      
Fair Value      
Investments     0
Investment impairment 0    
Level 3 | Akerna Corp      
Fair Value      
Unrealized loss on investment 0 $ (45)  
Fair Value, Recurring | Level 1      
Fair Value      
Fair value of assets 5,191   3,502
Fair Value, Recurring | Level 1 | Cash and Cash Equivalents      
Fair Value      
Fair value of assets 3,891   2,202
Fair Value, Recurring | Level 1 | Restricted cash      
Fair Value      
Fair value of assets 1,298   1,298
Fair Value, Recurring | Level 1 | Investments.      
Fair Value      
Fair value of assets $ 2   $ 2