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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Parenthetical) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Statement of Comprehensive Income [Abstract]        
Unrealized holding gains arising during the period, tax expense (benefit) $ 114,925 $ 335,110 $ 573,073 $ 280,318
Reclassification adjustment for (gains) losses included in net income, tax expense $ 6,925 $ 19,857 $ 75,843 $ 19,857