Stock-Based Compensation Plans (Details 1) - USD ($)	9 Months Ended
Mar. 31, 2018	Mar. 31, 2017
Outstanding Shares [Roll Forward]
Outstanding at beginning	1,191,236
Granted	305,500	327,500
Excercised	(45,300)
Forfeited	(13,000)
Expired	(75,000)
Outstanding at ending	1,363,436
Vested and exercisable at ending	692,434
Weighted Average Exercise Price [Roll Forward]
Outstanding at beginning	$ 7.66
Granted	10.1
Excercised	5.04
Forfeited	7.67
Expired	4.87
Outstanding at ending	8.45
Vested and exercisable at ending	$ 7.50
Aggregate Intrinsic Value [Roll Forward]
Outstanding at beginning	$ 2,748,956
Outstanding at ending	2,738,327
Vested and exercisable at ending	$ 2,083,907

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Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.

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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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Gross number of share options (or share units) granted during the period.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Number of options outstanding, including both vested and non-vested options.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Number of fully vested and expected to vest exercisable options that may be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Weighted-average exercise price, at which grantee can acquire shares reserved for issuance, for fully vested and expected to vest exercisable or convertible options. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Number of share options (or share units) exercised during the current period.

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