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Stock-Based Compensation Plans (Schedule of Share-Based Compensation Expense) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation	$ 741,867	$ 1,046,516	$ 1,485,898
Employee
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation	730,412	1,050,179	1,481,016
Nonemployee
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation	11,455	(3,663)	4,882
Employee, Nonemployee and Foundation Contribution
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation	$ 741,867	$ 1,046,516	$ 1,485,898

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Value, after forfeiture, of shares issued under share-based payment arrangement. Excludes employee stock ownership plan (ESOP).

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