Loans Receivable, Net (Schedule of Allowance for Loan Losses) (Details) - USD ($)	3 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Provision for Loan Losses	$ 700,000	$ 0
Charge Offs	(55,886)	(163,365)
Recoveries	160,319	118,349
Balance At End of Period	10,676,271	8,753,539
Residential Real Estate 1 [Member]
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Provision for Loan Losses	61,866	(23,308)
Charge Offs	0	0
Recoveries	600	1,450
Balance At End of Period	1,532,804	1,125,812
Consumer [Member]
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Provision for Loan Losses	26,726	69,702
Charge Offs	(55,886)	(135,286)
Recoveries	18,609	36,706
Balance At End of Period	1,317,734	1,092,327
Commercial Business [Member]
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Provision for Loan Losses	27,013	(95,635)
Charge Offs	0	0
Recoveries	0	496
Balance At End of Period	639,731	896,843
Commercial Real Estate 1 [Member]
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Provision for Loan Losses	584,395	49,241
Charge Offs	0	(28,079)
Recoveries	141,110	79,697
Balance At End of Period	$ 7,186,002	$ 5,638,557