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Note 13 - Subsequent Events (Details Textual)		6 Months Ended
Note 13 - Subsequent Events (Details Textual)	Jul. 06, 2026 USD ($) $ / $ shares	Jun. 30, 2026 USD ($)	Jun. 30, 2025 USD ($)	Jul. 06, 2026 $ / shares	Dec. 31, 2025 USD ($)
Proceeds from Stock Options Exercised		$ 0	$ 192,260
Additional Paid in Capital		$ 221,768,542			$ 179,089,487
Subsequent Event [Member] \| Australia, Dollars
Foreign Currency Exchange Rate, Translation \| $ / $	0.69
CDI [Member] \| Subsequent Event [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period (in shares) \| shares	5,051,539
Shares Issued, Price Per Share (in AUD per share) \| $ / shares				$ 0.61
Proceeds from Stock Options Exercised	$ 2,100,000
CDI [Member] \| Subsequent Event [Member] \| CDI Options [Member] \| Reclassified From Liabilities [Member]
Additional Paid in Capital	$ 4,300,000