Equity Instruments (Details) - Stock option [Member] - $ / shares	3 Months Ended	12 Months Ended
Sep. 30, 2017	Jun. 30, 2017
Number of Options
Number of Options, Beginning Balance	38,263
Number of Options, Granted
Number of Options, Exercised
Number of Options, Forfeited/Cancelled	(139)
Number of Options, Ending Balance	38,124	38,263
Number of Options Exercisable	23,385
Available for grant at September 30, 2017	2,761,876
Weighted Average Exercise Price
Weighted Average Exercise Price, Beginning Balance	$ 16.31
Weighted Average Exercise Price, Granted
Weighted Average Exercise Price, Exercised
Weighted Average Exercise Price, Forfeited/Cancelled	16.40
Weighted Average Exercise Price, Ending Balance	16.31	$ 16.31
Weighted Average Exercise Price	$ 16.40
Weighted Average Remaining Contractual Life
Weighted Average Remaining Contractual Life, Outstanding (in years)	8 years 1 month 16 days	8 years 4 months 24 days
Weighted Average Remaining Contractual Life, Exercisable (in years)	7 years 10 months 6 days

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Share Based Compensation Arrangement By Share Based Payment Award Options Available For Grant.

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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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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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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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 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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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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

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