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, 2020
Dec. 31, 2019
Assets    
Total assets at fair value $ 1,572,381 $ 1,761,363
Marketable Equity Securities    
Assets    
Total assets at fair value 1,570,907 1,761,312
Interest Rate Cap Derivative    
Assets    
Total assets at fair value 1,474 51
Level 1    
Assets    
Total assets at fair value 1,570,907 1,761,312
Level 1 | Marketable Equity Securities    
Assets    
Total assets at fair value 1,570,907 1,761,312
Level 2    
Assets    
Total assets at fair value 1,474 51
Level 2 | Interest Rate Cap Derivative    
Assets    
Total assets at fair value $ 1,474 $ 51