Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Assets and Liabilities Carried at Fair Value Measured on Recurring Basis (Details)

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Fair Value Measurements - Assets and Liabilities Carried at Fair Value Measured on Recurring Basis (Details) - Fair Value, Measurements, Recurring - USD ($)
Mar. 31, 2021
Dec. 31, 2020
Assets    
Total assets at fair value $ 2,131,188 $ 1,961,455
Marketable Equity Securities    
Assets    
Total assets at fair value 2,131,187 1,961,451
Interest Rate Cap Derivative    
Assets    
Total assets at fair value 1 4
Level 1    
Assets    
Total assets at fair value 2,131,187 1,961,451
Level 1 | Marketable Equity Securities    
Assets    
Total assets at fair value 2,131,187 1,961,451
Level 2    
Assets    
Total assets at fair value 1 4
Level 2 | Interest Rate Cap Derivative    
Assets    
Total assets at fair value $ 1 $ 4