Note 2 - Summary of Significant Accounting Policies - Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share (Details) - shares	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)	24,924,517	17,839,492	24,924,517	17,839,492
Warrant [Member] \| Common Class A [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)	8,047,500	8,047,500	8,047,500	8,047,500
Convertible Debt Securities [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)	14,891,979	9,302,326	14,891,979	9,302,326
Share-Based Payment Arrangement, Option [Member] \| Common Class A [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)	1,376,804	235,000	1,376,804	235,000
Restricted Stock Units (RSUs) [Member] \| Common Class A [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)	608,234	254,666	608,234	254,666