Significant Accounting Policies (Narrative) (Details) - USD ($) |
12 Months Ended | ||
---|---|---|---|
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
|
Accounting Policies [Abstract] | |||
Cash Equivalents, Original Maturity Period, Maximum | 3 months | ||
Loans and Leases Receivable, Placed on Nonaccrual Status, Period Delinquent | 90 days | ||
Advertising Expense | $ 1,053,658 | $ 796,213 | $ 546,799 |