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Condensed Consolidated Statements of Stockholders' Equity (Parentheticals) - $ / shares | 12 Months Ended
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Jun. 30, 2019 | Jun. 30, 2018
Statement of Stockholders' Equity [Abstract] |  |
Number of shares repurchase of distributed restricted stock in settlement of employee withholding tax obligations | 21,071 | 3,291
Cash dividends per share | $ 0.56 | $ 0.56

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