FAIR VALUE MEASUREMENTS - Summary of Fair Value of Financial Instruments (Details) - USD ($)	Dec. 31, 2015	Dec. 31, 2014
Financial assets:
Securities available for sale	$ 19,028,000	$ 19,526,000
Fair Value	3,128,000	916,000
Financial liabilities:
Short-term FHLB advances	23,500,000	30,000,000
Mortgagor's escrow accounts	1,386,000	1,194,000
Carrying Amount
Financial assets:
Cash and cash equivalents	7,758,000	4,918,000
Securities available for sale	19,028,000	19,526,000
Fair Value	3,112,000	837,000
FHLB stock	2,933,000	2,907,000
Bankers Bank Northeast stock	60,000
Loans held for sale		990,000
Loans, net	253,983,000	231,293,000
Accrued interest receivable	799,000	752,000
Capitalized mortgage servicing rights	519,000	834,000
Financial liabilities:
Deposits	207,726,000	182,354,000
Short-term FHLB advances	23,500,000	30,000,000
Long-term FHLB advances	27,100,000	24,600,000
Mortgagor's escrow accounts	1,386,000	1,194,000
Accrued interest payable	59,000	52,000
Total Assets at Fair Value
Financial assets:
Cash and cash equivalents	7,758,000	4,918,000
Securities available for sale	19,028,000	19,526,000
Fair Value	3,128,000	916,000
FHLB stock	2,933,000	2,907,000
Bankers Bank Northeast stock	60,000
Loans held for sale		1,016,000
Loans, net	254,095,000	231,971,000
Accrued interest receivable	799,000	752,000
Capitalized mortgage servicing rights	1,100,000	1,335,000
Financial liabilities:
Deposits	207,894,000	182,799,000
Short-term FHLB advances	23,500,000	30,000,000
Long-term FHLB advances	27,255,000	24,847,000
Mortgagor's escrow accounts	1,386,000	1,194,000
Accrued interest payable	59,000	52,000
Level 1
Financial assets:
Cash and cash equivalents	7,758,000	4,918,000
FHLB stock	2,933,000	2,907,000
Bankers Bank Northeast stock	60,000
Loans held for sale		1,016,000
Accrued interest receivable	799,000	752,000
Financial liabilities:
Short-term FHLB advances	23,500,000	30,000,000
Mortgagor's escrow accounts	1,386,000	1,194,000
Accrued interest payable	59,000	52,000
Level 2
Financial assets:
Securities available for sale	19,028,000	19,526,000
Fair Value	3,128,000	916,000
Capitalized mortgage servicing rights	1,100,000	1,335,000
Financial liabilities:
Deposits	207,894,000	182,799,000
Long-term FHLB advances	27,255,000	24,847,000
Level 3
Financial assets:
Loans, net	$ 254,095,000	$ 231,971,000