Stock-Based Compensation (Summary of Activity Relating to Stock Options) (Details) - $ / shares	12 Months Ended
Jun. 30, 2020	Jun. 30, 2019
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Outstanding at beginning of period, shares	567,121	635,036
New Grants (based on fair value of common stock at dates of grant), shares	33,000	8,000
Exercised, shares		(55,445)
Expired, shares		(10,900)
Forfeited, shares	(395,195)	(9,570)
Outstanding at end of period, shares	204,926	567,121
Exercisable at end of period, shares	166,593	436,953
Weighted average exercise price (per share), Beginning of period	$ 7.22	$ 7.02
New Grants (based on fair value of common stock at dates of grant), weighted average exercise price (per share)	4.53	8.28
Exercised, weighted average exercise price (per share)		5.73
Expired, weighted average exercise price (per share)		3.63
Forfeited, weighted average exercise price (per share)	6.95	7.78
Weighted average exercise price (per share), End of period	7.28	7.22
Exercisable at end of period, weighted average exercise price (per share)	$ 7.79	$ 7.16

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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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Net 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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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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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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