XML 18 R6.htm IDEA: XBRL DOCUMENT v3.7.0.1
Consolidated Statements of Comprehensive Income [Parenthetical] - USD ($)
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Statement of Comprehensive Income [Abstract]    
Unrealized holding losses arising during the year, tax benefit $ 326,697 $ 10,764
Reclassification adjustment for gains included in net income, tax expense $ 76,422 $ 19,857