Note 11 - Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2026

Notes Tables

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

			Fair Value Measurements at
			March 31, 2026
			Quoted Prices in Active Markets		Significant Other Observable Inputs		Significant Unobservable Inputs
	Total		(Level 1)		(Level 2)		(Level 3)
Assets:
Georges Trust derivative	$	136,114	$	—	$	136,114	$	—
Total assets measured at fair value	$	136,114	$	—	$	136,114	$	—
Liabilities:
Marathon SAFE Note	$	12,000,000	$	—	$	—	$	12,000,000
Total liabilities measured at fair value	$	12,000,000	$	—	$	—	$	12,000,000

			Fair Value Measurements at
			December 31, 2025
			Quoted Prices in Active Markets		Significant Other Observable Inputs		Significant Unobservable Inputs
	Total		(Level 1)		(Level 2)		(Level 3)
Assets:
Georges Trust derivative	$	1,201,114	$	—	$	1,201,114	$	—
Alvin Fund derivative		759,682		—		759,682		—
Total assets measured at fair value	$	1,960,796	$	—	$	1,960,796	$	—
Liabilities:
Marathon SAFE Note	$	12,000,000	$	—	$	—	$	12,000,000
Total liabilities measured at fair value	$	12,000,000	$	—	$	—	$	12,000,000

Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]

	For the Three-Months Ended March 31, 2026
	As of December 31, 2025		(Additions) Deductions		Change in Fair Value			Proceeds Received and Payments Made for Change in Contractual Stock Consideration			As of March 31, 2026
Georges Trust derivative	$	1,201,114	$	—	$	(1,194,000	)	$	129,000		$	136,114
Alvin Fund derivative		759,682		—		471,985			(1,231,667	)		—
Total derivative assets (liabilities) at fair value	$	1,960,796	$	—	$	(722,015	)	$	(1,102,667	)	$	136,114

	For the Three-Months Ended March 31, 2025
	As of December 31, 2024		(Additions) Deductions			Change in Fair Value			Payments for Decrease in Contractual Stock Consideration		As of March 31, 2025
2025 Kips Bay convertible debt derivative	$	—	$	(1,421,645	)	$	501,645		$	—	$	(920,000	)
LINICO acquisition-related payable derivative		—		(340,000	)		31,000			—		(309,000	)
AST derivative		—		480,540			(88,540	)		—		392,000
Haywood derivative		1,529,850		—			(1,634,908	)		120,000		14,942
Total derivative assets (liabilities) at fair value	$	1,529,850	$	(1,281,105	)	$	(1,190,803	)	$	120,000	$	(822,058	)

Fair Value Measurement Inputs and Valuation Techniques [Table Text Block]

Present Value of Marathon SAFE Note	Discount Rate	Period Range
$12.0 million	35%	0.25 years to 0.75 years

Present Value of Marathon SAFE Note	Discount Rate	Period Range
$12.0 million	35%	0.25 years to 0.84 years