Note 15 - Subsequent Events (Details Textual) - USD ($) $ / shares in Units, $ in Millions	Oct. 07, 2025	Jul. 25, 2024
Placement Agent Warrants [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights		$ 24.75
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)		4,473
Warrants and Rights Outstanding, Term		5 years
Warrants or Rights, Commissions, Percent		7.00%
Subsequent Event [Member]
Proceeds from Issuance of Private Placement	$ 50.8
Aggregate Notional Value	292.7
Discounted Value	$ 173.3
Bonus Tokens, Percent	20.00%
Percent of Outstanding Common Stock	5.00%
Asset Management Agreement Term	10
Asset Based Management Fee, Percent	1.00%
Incentive Fee, Percent	25.00%
Managed Assets Profits, Incentive Trigger Percentage	7.00%
Subsequent Event [Member] | Cash PIPE Warrants [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights	$ 0.01
Subsequent Event [Member] | Crypto PIPE Warrants [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights	$ 0.01
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)	14,903,393
Subsequent Event [Member] | Placement Agent Warrants [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights	$ 11.6265
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)	218,335
Warrants and Rights Outstanding, Term	5 years
Warrants or Rights, Commissions	$ 2.5
Warrants or Rights, Commissions, Percent	5.00%
Subsequent Event [Member] | Strategic Advisor Warrants [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights	$ 11.6265
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)	1,348,906
Warrants and Rights Outstanding, Term	5 years
Subsequent Event [Member] | Cash PIPE SPA [Member]
Stock Issued During Period, Shares, New Issues	4,366,703
Shares Issued, Price Per Share	$ 11.6265