Summary of Significant Accounting Policies - Reconciliation of Cash, Cash Equivalents, and Restricted Cash (Details) - USD ($)	Mar. 31, 2021	Dec. 31, 2020	Mar. 31, 2020	Dec. 31, 2019
Accounting Policies [Abstract]
Cash and cash equivalents	$ 1,496,071	$ 1,614,771
Restricted cash	359,963	340,672
Total cash, cash equivalents, and restricted cash as shown in our unaudited consolidated statements of cash flows	$ 1,856,034	$ 1,955,443	$ 3,362,455	$ 4,263,565