Cash, Cash Equivalents, and Restricted Cash - Reconciliation of Cash (Details) - USD ($)	Mar. 31, 2021	Dec. 31, 2020	Mar. 31, 2020	Dec. 31, 2019
Summary of Significant Accounting Policies
Cash and cash equivalents	$ 17,851,587	$ 13,270,913	$ 15,410,599
Restricted cash included in other assets	566,540		562,647
Cash, cash equivalents and restricted cash in the statement of cash flows	$ 18,418,127	$ 13,836,771	$ 15,973,246	$ 14,613,711