Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Reconciliation of Cash, Cash Equivalents, and Restricted Cash (Details)

v3.20.2
Summary of Significant Accounting Policies - Reconciliation of Cash, Cash Equivalents, and Restricted Cash (Details) - USD ($)
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Accounting Policies [Abstract]      
Cash and cash equivalents $ 3,990,160 $ 1,526,203  
Restricted cash 263,405 186,063  
Total cash, cash equivalents, and restricted cash as shown in our consolidated statements of cash flows $ 4,253,565 $ 1,712,266 $ 2,256,415