Note 11 - Stock-based Compensation - Stock-based Compensation Expense (Details) - USD ($)	3 Months Ended
Sep. 30, 2026	Sep. 30, 2025
Share-based compensation expense	$ 1,801,199	$ 359,661
Share-Based Payment Arrangement, Option [Member]
Share-based compensation expense	1,066,933	50,607
Restricted Stock [Member]
Share-based compensation expense	91,502	63,186
Restricted Stock Units (RSUs) [Member]
Share-based compensation expense	$ 642,764	$ 245,868

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section S45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479983/718-10-S45-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.F)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479830/718-10-S99-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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