Note 10 - Compensatory Equity Incentive Plan and Other Equity Incentives - Intrinsic and Fair Values of Awards (Details) - USD ($)	12 Months Ended
Jun. 30, 2026	Jun. 30, 2025
Stock Options	$ 74,438	$ 216,473
Stock Options	0	42,938
Stock Options	4,472,950	409,082
Restricted Stock Units (RSUs) [Member]
Non-options	1,550,847	831,188
Non-options	1,941,044	1,280,694
RSUs	18,516,375	2,213,716
Restricted Stock [Member]
Non-options	1,122,476	436,439
Non-options	$ 1,090,373	$ 419,928

Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (d)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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- Definition

Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

+ References

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- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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- Definition

Intrinsic value of outstanding award under share-based payment arrangement. Excludes share and unit options.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-4

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- Definition

Intrinsic value of vested award under share-based payment arrangement. Excludes share and unit options.

+ References

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- Definition

Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.

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