Loans Receivable, Net - Schedule of Credit Quality Indicators by Portfolio Segment (Details) - USD ($)	Jun. 30, 2019	Dec. 31, 2018
Financing Receivable, Credit Quality Indicator [Line Items]
Total	$ 43,166,786	$ 43,248,296
Pass [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Total	41,999,000	42,925,000
Special Mention [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Total	22,000	49,000
Substandard [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Total	1,346,000	274,000
Student Loan [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Total	6,939,000	8,025,000
Student Loan [Member] | Pass [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Total	6,892,000	8,000,000
Student Loan [Member] | Special Mention [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Total	22,000
Student Loan [Member] | Substandard [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Total	25,000	25,000
Mortgage Loans Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Total	34,973,942	33,907,163
Mortgage Loans Portfolio Segment [Member] | Residential 1-4 Family Mortgage Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Total	18,441,772	18,239,205
Mortgage Loans Portfolio Segment [Member] | Residential 1-4 Family Mortgage Loans [Member] | Pass [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Total	18,201,000	17,941,000
Mortgage Loans Portfolio Segment [Member] | Residential 1-4 Family Mortgage Loans [Member] | Special Mention [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Total		49,000
Mortgage Loans Portfolio Segment [Member] | Residential 1-4 Family Mortgage Loans [Member] | Substandard [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Total	241,000	249,000
Mortgage Loans Portfolio Segment [Member] | Commercial Real Estate and Multi-Family Mortgage Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Total	16,522,000	15,640,000
Mortgage Loans Portfolio Segment [Member] | Commercial Real Estate and Multi-Family Mortgage Loans [Member] | Pass [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Total	15,442,000	15,640,000
Mortgage Loans Portfolio Segment [Member] | Commercial Real Estate and Multi-Family Mortgage Loans [Member] | Special Mention [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Total
Mortgage Loans Portfolio Segment [Member] | Commercial Real Estate and Multi-Family Mortgage Loans [Member] | Substandard [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Total	1,080,000
Mortgage Loans Portfolio Segment [Member] | Home Equity Line of Credit [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Total	10,000	28,000
Mortgage Loans Portfolio Segment [Member] | Home Equity Line of Credit [Member] | Pass [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Total	10,000	28,000
Mortgage Loans Portfolio Segment [Member] | Home Equity Line of Credit [Member] | Special Mention [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Total
Mortgage Loans Portfolio Segment [Member] | Home Equity Line of Credit [Member] | Substandard [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Total
Commercial and Other [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Total	1,254,000	1,316,000
Commercial and Other [Member] | Pass [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Total	1,254,000	1,316,000
Commercial and Other [Member] | Special Mention [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Total
Commercial and Other [Member] | Substandard [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Total
Mortgage Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Total	$ 43,167,000	$ 43,248,000