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Note 14 - Related Party Transactions (Details Textual) - USD ($)		1 Months Ended
	Jan. 06, 2026	May 31, 2026	Mar. 31, 2026	Feb. 28, 2026	Sep. 30, 2025	May 31, 2025	Nov. 26, 2025	Jun. 30, 2025
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)		160,000	4,000	329
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in dollars per share)		$ 0.005	$ 54	$ 84.5
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested in Period, Fair Value		$ 1,200,000
Chris Hsieh [Member] \| Director [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)						80,000
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in dollars per share)						$ 0.005
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period (Year)						10 years
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested in Period, Fair Value						$ 600,000
Fang Family Fund II Loan [Member]
Debt Instrument, Face Amount				$ 700,000			$ 1,000,000	$ 1,750,000
Debt Instrument, Interest Rate, Stated Percentage				6.00%				6.00%
Repayments of Debt	$ 1,000,000				$ 1,750,000
Interest Paid, Including Capitalized Interest, Operating and Investing Activities	$ 7,025				$ 50,000.00
Fang Family Fund I Loan [Member]
Debt Instrument, Interest Rate, Stated Percentage							6.00%
Consolidated Fang Family Fund Loans [Member]
Accounts Receivable, after Allowance for Credit Loss							$ 134,712