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Fair Value Measurements - Additional Information (Details) - USD ($)
Dec. 31, 2019
Dec. 31, 2018
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Assets transferred from level 1 to level 2 $ 0 $ 0
Fair value, re-measured on recurring basis using significant unobservable inputs , assets value 0 0
Fair value, re-measured on recurring basis using significant unobservable inputs , liabilities value 0 0
Level 2    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Estimated fair value of debt $ 24,474,174 $ 18,877,333