Annual report pursuant to Section 13 and 15(d)

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

v3.19.1
Fair Value Measurements - Assets and Liabilities Carried at Fair Value Measured on Recurring Basis (Details) - Fair Value, Measurements, Recurring - USD ($)
Dec. 31, 2018
Dec. 31, 2017
Assets    
Total assets at fair value $ 1,572,496 $ 1,552,090
Interest Rate Cap    
Assets    
Total assets at fair value 4,889  
Level 1    
Assets    
Total assets at fair value 1,567,607 1,552,090
Level 2    
Assets    
Total assets at fair value 4,889  
Level 2 | Interest Rate Cap    
Assets    
Total assets at fair value 4,889  
Marketable Equity Securities    
Assets    
Total assets at fair value 1,567,607 1,552,090
Marketable Equity Securities | Level 1    
Assets    
Total assets at fair value $ 1,567,607 $ 1,552,090