Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statements of Earnings and Comprehensive Income (Unaudited) (Parentheticals)

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Condensed Consolidated Statements of Earnings and Comprehensive Income (Unaudited) (Parentheticals) - USD ($)
3 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Unrealized losses on available-for-sale investments, net of tax $ (171) $ 3,752