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Accumulated Other Comprehensive Income (Loss) (Details 1) - USD ($)
3 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Accumulated Other Comprehensive Income (Loss) [Abstract]    
Unrealized holding gains (losses) on available-for-sale securities $ 1,000 $ (8,000)
Tax effect 0 (3,000)
Net-of-tax amount $ (5,000)