Stock Based Compensation (Schedule of Stock Option Activity) (Details) - USD ($)	3 Months Ended	12 Months Ended
Sep. 30, 2021	Jun. 30, 2021
Number of Shares Subject To Option
Balance at July 1, 2021	304,662
Granted	68,350
Exercised
Forfeited or expired	(28,500)
Outstanding at September 30, 2021	344,512	304,662
Vested or expected to vest at September 30, 2021	315,123
Exercisable at September 30, 2021	178,512
Weighted Average Exercise Price
Balance at July 1, 2021	$ 23.37
Granted	14.87
Exercised
Forfeited or expired	23.84
Outstanding at September 30, 2021	21.64	$ 23.37
Vested or expected to vest at September 30, 2021	22.06
Exercisable at September 30, 2021	$ 25.58
Weighted Average Remaining Contractual Term
Outstanding	6 years 10 months 6 days	6 years 21 days
Granted	9 years 9 months 3 days
Vested or expected to vest at September 30, 2021	6 years 7 months 17 days
Exercisable at September 30, 2021	4 years 8 months 26 days
Aggregate Intrinsic Value
Outstanding at September 30, 2021	$ 0
Vested or expected to vest at September 30, 2021	0
Exercisable at September 30, 2021	$ 0

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

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

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

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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