INCOME TAXES - Summary of components of the net deferred tax asset and liabilities (Details) - USD ($)	Dec. 31, 2022	Dec. 31, 2021
Deferred Tax Assets:
Net unrealized losses on debt securities available-for-sale	$ 7,857,000	$ 0
Allowance for loan losses	1,738,000	1,823,000
Provision for unfunded commitments	14,000	37,000
Deferred compensation	238,000	260,000
Contributions	6,000	8,000
Accrued rent expense	103,000	100,000
Operating lease liabilities	426,000	315,000
Finance lease liabilities	1,000	3,000
Limited partnership investments	313,000	283,000
Impairment loss on securities	4,000	4,000
Deferred health insurance	48,000	37,000
Capital and net operating loss carry forwards	258,000	438,000
Valuation allowance related to state net operating losses	(258,000)	(438,000)
Total	10,748,000	2,870,000
Deferred Tax Liabilities:
Net unrealized gains on debt securities available-for-sale	0	2,017,000
Loan fees and costs	237,000	164,000
Net unrealized gains on marketable equity securities	319,000	354,000
Operating lease right-of-use assets	426,000	315,000
Accumulated depreciation	287,000	300,000
Accretion	36,000	41,000
Mortgage servicing rights	57,000	53,000
Intangibles	257,000	257,000
Total	1,619,000	3,501,000
Net Deferred Tax Asset (Liability)	$ 9,129,000
Net Deferred Tax Liability		$ (631,000)