XML 20 R5.htm IDEA: XBRL DOCUMENT v3.8.0.1
Consolidated Statements of Earnings and Comprehensive Earnings (Parentheticals) - USD ($)
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Consolidated Statements of Earnings and Comprehensive Earnings [Abstract]    
Unrealized holding gains (losses) arising during the period, tax $ 706,378 $ 334,140
Reclassification adjustment for (gains) included in net income, tax $ 342,469 $ 12,645