Loans Receivable, Net - Schedule of Activity in Allowance for Loan Losses by Loan Type (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Financing Receivable, Allowance for Credit Loss [Line Items]
Beginning balance	$ 428,908	$ 407,832
Provision for loan losses	122,227	93,998
Charge offs	(150,140)	(72,922)
Ending Balance	400,995	428,908
Student Loan [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Beginning balance	140,000	122,000
Provision for loan losses	174,000	91,000
Charge offs	(150,000)	(73,000)
Ending Balance	164,000	140,000
Mortgage Loans Portfolio Segment [Member] | Residential 1-4 Family Mortgage Loans [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Beginning balance	142,000	145,000
Provision for loan losses	(44,000)	(3,000)
Charge offs
Ending Balance	98,000	142,000
Mortgage Loans Portfolio Segment [Member] | Commercial and Multi-Family Mortgage Loans [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Beginning balance	134,000	128,000
Provision for loan losses	(7,000)	6,000
Charge offs
Ending Balance	127,000	134,000
Mortgage Loans Portfolio Segment [Member] | Home Equity Line of Credit [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Beginning balance	2,000	1,000
Provision for loan losses	(1,000)	1,000
Charge offs
Ending Balance	1,000	2,000
Other Loans Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Beginning balance	11,000	12,000
Provision for loan losses		(1,000)
Charge offs
Ending Balance	11,000	11,000
Unallocated Financing Receivables [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Beginning balance
Provision for loan losses
Charge offs
Ending Balance