SELECTED QUARTERLY INFORMATION (UNAUDITED) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income statement
Net interest income	$ 6,252	$ 6,347	$ 6,282	$ 6,095	$ 6,123	$ 6,027	$ 5,979	$ 6,078	$ 24,976	$ 24,207
Provision for loan losses	760	1,020	135	135	2,069	1,917	1,870	1,750	2,050	252
Noninterest income	2,051	2,855	1,969	1,777	63	63	63	63	8,652	7,607
Noninterest expense	7,006	7,079	7,684	7,228	7,381	7,579	7,895	7,639	28,997	30,494
Net income (loss)	$ 432	$ 876	$ 345	$ 406	$ 680	$ 208	$ (49)	$ 80	$ 2,059	$ 919
Earnings (loss) per share, basic and diluted	$ 0.02	$ 0.04	$ 0.01	$ 0.02	$ 0.03	$ 0.01	$ (0.00)	$ 0.00	$ 0.09	$ 0.04
Period end balance sheet
Loans receivable	$ 562,544	$ 558,174	$ 551,131	$ 553,585	$ 547,096	$ 531,969	$ 527,379	$ 516,363	$ 562,544	$ 547,096
Total assets	706,373	706,939	701,952	721,868	682,142	679,517	685,123	671,570	706,373	682,142
Total deposits	621,477	621,603	619,313	638,409	595,992	598,212	591,551	589,947	621,477	595,992
Total stockholders' equity	$ 54,602	$ 54,206	$ 53,179	$ 52,026	$ 51,250	$ 49,905	$ 50,019	$ 50,231	$ 54,602	$ 51,250	$ 50,973