LOANS RECEIVABLE - Individually and Collectively Evaluated (Details) - USD ($)	Jun. 30, 2022	Dec. 31, 2021	Jun. 30, 2021	Dec. 31, 2020
Allowance for loan losses:
Individually evaluated for impairment	$ 280,000	$ 336,000
Collectively evaluated for impairment	1,700,000	1,940,000
Total	1,980,000	2,276,000	$ 2,649,000	$ 3,022,000
Loans:
Individually evaluated for impairment	2,680,000	2,321,000
Collectively evaluated for impairment	130,944,000	129,521,000
Total loans	133,624,000	131,842,000
Real Estate
Loans:
Total loans	118,210,000	119,083,000
One- to four-family residential
Allowance for loan losses:
Individually evaluated for impairment	280,000	319,000
Collectively evaluated for impairment	1,106,000	1,254,000
Total	1,386,000	1,573,000	1,629,000	1,910,000
Loans:
Individually evaluated for impairment	2,569,000	2,266,000
Collectively evaluated for impairment	86,962,000	85,037,000
Total loans	89,531,000	87,303,000
Commercial real estate
Allowance for loan losses:
Collectively evaluated for impairment	292,000	370,000
Total	292,000	370,000	713,000	744,000
Loans:
Individually evaluated for impairment	50,000
Collectively evaluated for impairment	21,471,000	23,112,000
Total loans	21,521,000	23,112,000
Construction & land
Allowance for loan losses:
Collectively evaluated for impairment	41,000	55,000
Total	41,000	55,000	55,000	82,000
Loans:
Individually evaluated for impairment	61,000	37,000
Collectively evaluated for impairment	3,782,000	4,042,000
Total loans	3,843,000	4,079,000
Multi-family residential
Allowance for loan losses:
Collectively evaluated for impairment	44,000	73,000
Total	44,000	73,000	61,000	68,000
Loans:
Collectively evaluated for impairment	3,315,000	4,589,000
Total loans	3,315,000	4,589,000
Commercial and industrial
Loans:
Total loans	11,410,000	8,374,000
Consumer
Loans:
Total loans	4,004,000	4,385,000
Residential real estate
Loans:
Total loans	115,000	47,000
Consumer
Allowance for loan losses:
Collectively evaluated for impairment	57,000	68,000
Total	57,000	68,000	61,000	78,000
Loans:
Collectively evaluated for impairment	4,004,000	4,385,000
Total loans	4,004,000	4,385,000
Commercial and industrial
Allowance for loan losses:
Individually evaluated for impairment		17,000
Collectively evaluated for impairment	160,000	120,000
Total	160,000	137,000	103,000	101,000
Loans:
Individually evaluated for impairment		18,000
Collectively evaluated for impairment	11,410,000	8,356,000
Total loans	$ 11,410,000	$ 8,374,000
Unallocated
Allowance for loan losses:
Total			$ 27,000	$ 39,000