Note 11 - Stock-based Compensation - Stock Option Activity Summary (Details) shares in Thousands	9 Months Ended
Mar. 31, 2022 $ / shares shares
Outstanding (in shares) \| shares	275
Outstanding, weighted average grant date fair value (in dollars per share) \| $ / shares	$ 5.25
Granted (in shares) \| shares	0
Granted, weighted average grant date fair value (in dollars per share) \| $ / shares	$ 0
Exercised (in shares) \| shares	0
Exercised, weighted average grant date fair value (in dollars per share) \| $ / shares	$ 0
Canceled or expired (in shares) \| shares	(122)
Canceled or expired, weighted average grant date fair value (in dollars per share) \| $ / shares	$ 4.96
Outstanding (in shares) \| shares	153
Outstanding, weighted average grant date fair value (in dollars per share) \| $ / shares	$ 5.41

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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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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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 of the plan that expired.

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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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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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