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Note 13 - Income Taxes (Details Textual) - USD ($)
 6 Months Ended 12 Months Ended
Dec. 31, 2023
Dec. 31, 2024
Dec. 31, 2023
Jun. 30, 2023
Income Tax Disclosure [Line Items]        
Net deferred liability $ 0 $ 306,995 $ 0 $ 0
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount   17,900,000    
Income tax benefit $ 0 83,401 $ 0 $ 0
Unrecognized tax benefits   0    
Domestic Tax Jurisdiction [Member] | Internal Revenue Service (IRS) [Member]        
Income Tax Disclosure [Line Items]        
Operating Loss Carryforwards   56,000,000    
State and Local Jurisdiction [Member] | Alaska Department of Revenue [Member]        
Income Tax Disclosure [Line Items]        
Operating Loss Carryforwards   $ 39,200,000