Annual report pursuant to Section 13 and 15(d)

Significant Accounting Policies Significant Accounting Policies - Additional Information (Details)

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Significant Accounting Policies Significant Accounting Policies - Additional Information (Details) - USD ($)
3 Months Ended 12 Months Ended
Dec. 31, 2018
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Jan. 01, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                
Impairments of long-lived assets         $ 0 $ 0 $ 0  
Provision for loan gain $ (536,867) $ 0 $ 0 $ 500,000 $ 0 $ (36,867) $ 0  
ASU 2016-02                
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                
Operating lease, right-of-use assets               $ 75,000
Operating lease liabilities               $ 75,000