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INCOME TAXES (Details 2) - USD ($)
3 Months Ended 12 Months Ended
Dec. 31, 2018
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Dec. 31, 2017
Sep. 30, 2017
Jun. 30, 2017
Mar. 31, 2017
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Income Tax Disclosure [Abstract]                      
Computed "expected" tax expense                 $ 1,686,702 $ 2,623,595 $ 2,358,069
Increase (reduction) in income taxes resulting from:                      
Tax rate change impact                   666,674  
Amortization of credit and gain                 196,477 163,411 163,411
Stock based compensation                 15,205 24,378 26,012
Valuation Allowance                 7,538 16,952 4,314
Other                 38,938 (4,768) (203,854)
State income tax, net of federal benefit                 (226,578) (329,412) (319,525)
Federal Credits                 (454,985)    
Tax exempt interest income                 (154,315) (346,196) (339,994)
Income tax expense $ 139,310 $ 234,218 $ 386,394 $ 349,060 $ 1,208,507 $ 543,098 $ 516,734 $ 546,295 $ 1,108,982 $ 2,814,634 $ 1,688,433