Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurement- Assets and Liabilities Measured at Fair Value (Details)

v3.21.1
Fair Value Measurement- Assets and Liabilities Measured at Fair Value (Details) - USD ($)
Mar. 31, 2021
Dec. 31, 2020
Liabilities    
Convertible notes, at fair value $ 182,200,000 $ 197,700,000
Fair Value, Recurring    
Assets    
Investment in LMC 193,950,792 330,556,744
Total assets at fair value 193,950,792 330,556,744
Liabilities    
Convertible notes, at fair value 182,200,000 197,700,000
Total liabilities at fair value 182,200,000 197,700,000
Level 1 | Fair Value, Recurring    
Assets    
Investment in LMC 193,950,792 330,556,744
Total assets at fair value 193,950,792 330,556,744
Liabilities    
Convertible notes, at fair value 0 0
Total liabilities at fair value 0 0
Level 2 | Fair Value, Recurring    
Assets    
Investment in LMC 0 0
Total assets at fair value 0 0
Liabilities    
Convertible notes, at fair value 0 0
Total liabilities at fair value 0 0
Level 3 | Fair Value, Recurring    
Assets    
Investment in LMC 0 0
Total assets at fair value 0 0
Liabilities    
Convertible notes, at fair value 182,200,000 197,700,000
Total liabilities at fair value $ 182,200,000 $ 197,700,000