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LOANS RECEIVABLE AND ALLOWANCE FOR CREDIT LOSSES - Current, Past Due, and Non-Accrual Loans by Categories of loans and Restructured Loans (Details) - USD ($)	Sep. 30, 2024	Dec. 31, 2023	Sep. 30, 2023	Dec. 31, 2022
Loans and Allowance for Credit Losses - Loans
Financing Receivable, Recorded Investment, Current	$ 206,975,000	$ 176,307,000
Non-accrual	293,000	527,000	$ 581,000	$ 488,000
Allowance for loan losses	2,748,000	2,157,000		2,162,000
Total	206,975,000	176,307,000
Specific Reserves	19,000	200,000
Current
Loans and Allowance for Credit Losses - Loans
Financing Receivable, Recorded Investment, Current	205,852,000	174,826,000
30 To 89 Days Past Due
Loans and Allowance for Credit Losses - Loans
Financing Receivable, Recorded Investment, Current	830,000	954,000
Real Estate Loan
Loans and Allowance for Credit Losses - Loans
Non-accrual	230,000	145,000
Total	162,772,000	136,230,000
Specific Reserves	19,000	21,000
Real Estate Loan \| Current
Loans and Allowance for Credit Losses - Loans
Financing Receivable, Recorded Investment, Current	162,355,000	135,576,000
Real Estate Loan \| 30 To 89 Days Past Due
Loans and Allowance for Credit Losses - Loans
Financing Receivable, Recorded Investment, Current	187,000	509,000
Real Estate Loan \| Construction and Land
Loans and Allowance for Credit Losses - Loans
Financing Receivable, Recorded Investment, Current	7,292,000	4,636,000
Allowance for loan losses	33,000	31,000		44,000
Total	7,292,000	4,636,000
Real Estate Loan \| Construction and Land \| Current
Loans and Allowance for Credit Losses - Loans
Financing Receivable, Recorded Investment, Current	7,292,000	4,636,000
Real Estate Loan \| Farmland
Loans and Allowance for Credit Losses - Loans
Financing Receivable, Recorded Investment, Current	316,000	325,000
Allowance for loan losses	16,000	18,000		20,000
Total	316,000	325,000
Real Estate Loan \| Farmland \| Current
Loans and Allowance for Credit Losses - Loans
Financing Receivable, Recorded Investment, Current	316,000	325,000
Real Estate Loan \| Single-family Residential
Loans and Allowance for Credit Losses - Loans
Financing Receivable, Recorded Investment, Current	99,905,000	86,887,000
Non-accrual	101,000	145,000	149,000	104,000
Allowance for loan losses	1,549,000	1,290,000		1,230,000
Total	99,905,000	86,887,000
Specific Reserves	19,000	21,000
Real Estate Loan \| Single-family Residential \| Current
Loans and Allowance for Credit Losses - Loans
Financing Receivable, Recorded Investment, Current	99,718,000	86,233,000
Real Estate Loan \| Single-family Residential \| 30 To 89 Days Past Due
Loans and Allowance for Credit Losses - Loans
Financing Receivable, Recorded Investment, Current	86,000	509,000
Real Estate Loan \| Multi-family
Loans and Allowance for Credit Losses - Loans
Financing Receivable, Recorded Investment, Current	5,059,000	5,165,000
Allowance for loan losses	229,000	96,000		103,000
Total	5,059,000	5,165,000
Real Estate Loan \| Multi-family \| Current
Loans and Allowance for Credit Losses - Loans
Financing Receivable, Recorded Investment, Current	5,059,000	5,165,000
Real Estate Loan \| Commercial
Loans and Allowance for Credit Losses - Loans
Financing Receivable, Recorded Investment, Current	50,200,000	39,217,000
Non-accrual	129,000
Allowance for loan losses	377,000	190,000		221,000
Total	50,200,000	39,217,000
Real Estate Loan \| Commercial \| Current
Loans and Allowance for Credit Losses - Loans
Financing Receivable, Recorded Investment, Current	49,970,000	39,217,000
Real Estate Loan \| Commercial \| 30 To 89 Days Past Due
Loans and Allowance for Credit Losses - Loans
Financing Receivable, Recorded Investment, Current	101,000
Commercial and Industrial
Loans and Allowance for Credit Losses - Loans
Non-accrual		299,000
Total	21,999,000	16,774,000
Specific Reserves		179,000
Commercial and Industrial \| Current
Loans and Allowance for Credit Losses - Loans
Financing Receivable, Recorded Investment, Current	21,527,000	16,475,000
Commercial and Industrial \| 30 To 89 Days Past Due
Loans and Allowance for Credit Losses - Loans
Financing Receivable, Recorded Investment, Current	472,000
Commercial and Industrial \| Commercial and Industrial
Loans and Allowance for Credit Losses - Loans
Financing Receivable, Recorded Investment, Current	16,240,000	10,850,000
Non-accrual		299,000	299,000	299,000
Allowance for loan losses	282,000	304,000		174,000
Total	16,240,000	10,850,000
Specific Reserves		179,000
Commercial and Industrial \| Commercial and Industrial \| Current
Loans and Allowance for Credit Losses - Loans
Financing Receivable, Recorded Investment, Current	16,240,000	10,551,000
Commercial and Industrial \| SBA guaranty
Loans and Allowance for Credit Losses - Loans
Financing Receivable, Recorded Investment, Current	5,759,000	5,924,000
Allowance for loan losses	37,000	21,000		22,000
Total	5,759,000	5,924,000
Commercial and Industrial \| SBA guaranty \| Current
Loans and Allowance for Credit Losses - Loans
Financing Receivable, Recorded Investment, Current	5,287,000	5,924,000
Commercial and Industrial \| SBA guaranty \| 30 To 89 Days Past Due
Loans and Allowance for Credit Losses - Loans
Financing Receivable, Recorded Investment, Current	472,000
Consumer Loans
Loans and Allowance for Credit Losses - Loans
Non-accrual	63,000	83,000
Total	22,204,000	23,303,000
Consumer Loans \| Current
Loans and Allowance for Credit Losses - Loans
Financing Receivable, Recorded Investment, Current	21,970,000	22,775,000
Consumer Loans \| 30 To 89 Days Past Due
Loans and Allowance for Credit Losses - Loans
Financing Receivable, Recorded Investment, Current	171,000	445,000
Consumer Loans \| Consumer
Loans and Allowance for Credit Losses - Loans
Financing Receivable, Recorded Investment, Current	3,168,000	2,039,000
Allowance for loan losses	51,000	30,000		23,000
Total	3,168,000	2,039,000
Consumer Loans \| Consumer \| Current
Loans and Allowance for Credit Losses - Loans
Financing Receivable, Recorded Investment, Current	3,168,000	1,981,000
Consumer Loans \| Consumer \| 30 To 89 Days Past Due
Loans and Allowance for Credit Losses - Loans
Financing Receivable, Recorded Investment, Current		58,000
Consumer Loans \| Automobile
Loans and Allowance for Credit Losses - Loans
Financing Receivable, Recorded Investment, Current	19,036,000	21,264,000
Non-accrual	63,000	83,000	$ 133,000	85,000
Allowance for loan losses	174,000	177,000		$ 325,000
Total	19,036,000	21,264,000
Consumer Loans \| Automobile \| Current
Loans and Allowance for Credit Losses - Loans
Financing Receivable, Recorded Investment, Current	18,802,000	20,794,000
Consumer Loans \| Automobile \| 30 To 89 Days Past Due
Loans and Allowance for Credit Losses - Loans
Financing Receivable, Recorded Investment, Current	$ 171,000	$ 387,000