Summary of Significant Accounting Policies (Accumulated Other Comprehensive Earnings (Loss)) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Accumulated Other Comprehensive Income (Loss) [Line Items]
Net current period other comprehensive (loss) earnings	$ (2,600,064)	$ 2,566,155
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-sale, Including Noncontrolling Interest [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	5,520,091	2,953,936
Other comprehensive (loss) earnings before reclassification	(2,411,782)	3,019,434
Amount reclassified from accumulated other comprehensive (loss) earnings	(188,282)	(453,279)
Net current period other comprehensive (loss) earnings	(2,600,064)	2,566,155
Balance	$ 2,920,027	$ 5,520,091