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Note 8 - Notes Payable (Details Textual)			1 Months Ended	6 Months Ended
Note 8 - Notes Payable (Details Textual)	May 22, 2026 USD ($)	Aug. 25, 2021 USD ($)	May 22, 2026 USD ($)	Jun. 30, 2026 USD ($)	Jun. 30, 2025 USD ($)
Payments to Acquire Property, Plant, and Equipment				$ 1,013,009	$ 996,452
Real Property Located in Chandler, Arizona [Member]
Payments to Acquire Property, Plant, and Equipment		$ 10,800,000
Arizona Bank & Trust [Member] \| Mortgage Loan [Member] \| Notes Payable to Banks [Member]
Proceeds from Issuance of Debt	$ 4,000,000	$ 8,600,000
Number of Regular Monthly Payments	84	119
Debt Instrument, Periodic Payment	$ 21,330	$ 40,978
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid	$ 3,427,889	$ 5,956,538	$ 3,427,889
Debt Instrument, Interest Rate, Stated Percentage		3.00%
Debt Instrument, Maturity Date	May 15, 2033	Aug. 23, 2031
Real Property Located in Orlando, Florida [Member]
Asset Acquisition, Consideration Transferred	$ 5,000,000
Payments to Acquire Property, Plant, and Equipment			$ 1,000,000