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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 |  |

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