Note 8 - Fair Value - Schedule of Liabilities at Fair Value (Details) - Fair Value, Recurring [Member]	Sep. 30, 2026 USD ($)
Fair Value, Inputs, Level 1 [Member]
Total liabilities	$ 0
Fair Value, Inputs, Level 2 [Member]
Total liabilities	0
Fair Value, Inputs, Level 3 [Member]
Total liabilities	1,800,500
Nonrelated Party [Member] \| Fair Value, Inputs, Level 1 [Member]
Debt Instrument, Fair Value Disclosure	0
Nonrelated Party [Member] \| Fair Value, Inputs, Level 2 [Member]
Debt Instrument, Fair Value Disclosure	0
Nonrelated Party [Member] \| Fair Value, Inputs, Level 3 [Member]
Debt Instrument, Fair Value Disclosure	1,477,500
Related Party [Member] \| Fair Value, Inputs, Level 1 [Member]
Debt Instrument, Fair Value Disclosure	0
Related Party [Member] \| Fair Value, Inputs, Level 2 [Member]
Debt Instrument, Fair Value Disclosure	0
Related Party [Member] \| Fair Value, Inputs, Level 3 [Member]
Debt Instrument, Fair Value Disclosure	$ 323,000

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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+ Details