Overview of the Business and Basis of Presentation - Numerators and denominators of basic and diluted (Details) - shares	12 Months Ended
Jun. 30, 2019	Jun. 30, 2018
Overview of the Business and Basis of Presentation
Basic weighted average number of shares outstanding	8,941,413	9,469,331
Effect of dilutive securities:
Restricted stock	17,049	0
Diluted weighted average number of shares outstanding	8,958,462	9,469,331

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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.

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-Publisher FASB
-Name Accounting Standards Codification
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The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

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Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

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