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Note 5 - Fair Value of Financial Instruments - Marketable Securities (Details) | Dec. 31, 2024 USD ($)
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Available-for-Sale Debt Securities, Amortized Cost | $ 29,866,326
Available-for-Sale Deb Securities, Unrealized Gains | 58,981
Available-for-Sale Debt Securities, Unrealized Losses | (2,784)
Available-for-Sale Debt Securities | 29,922,523
Available-for-Sale Debt Securities, Unrealized Losses | 2,784
Commercial Paper, Not Included with Cash and Cash Equivalents [Member] |
Available-for-Sale Debt Securities, Amortized Cost | 18,019,334
Available-for-Sale Deb Securities, Unrealized Gains | 16,393
Available-for-Sale Debt Securities, Unrealized Losses | (2,784)
Available-for-Sale Debt Securities | 18,032,943
Available-for-Sale Debt Securities, Unrealized Losses | 2,784
US Treasury Bond Securities [Member] |
Available-for-Sale Debt Securities, Amortized Cost | 7,920,620
Available-for-Sale Deb Securities, Unrealized Gains | 30,440
Available-for-Sale Debt Securities, Unrealized Losses | 0
Available-for-Sale Debt Securities | 7,951,060
Available-for-Sale Debt Securities, Unrealized Losses | (0)
US Treasury Securities [Member] |
Available-for-Sale Debt Securities, Amortized Cost | 3,926,372
Available-for-Sale Deb Securities, Unrealized Gains | 12,148
Available-for-Sale Debt Securities, Unrealized Losses | 0
Available-for-Sale Debt Securities | 3,938,520
Available-for-Sale Debt Securities, Unrealized Losses | $ (0)

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- Definition Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-2 + Details
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- Definition Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-2 + Details
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