Note 12 - Warrant Dividend Distribution - Changes in Warrants Outstanding and Warrant Liability (Details) - USD ($)			3 Months Ended
	Jan. 03, 2024	Dec. 22, 2023	Mar. 31, 2024	Mar. 31, 2024	Mar. 31, 2023
Distribution of common stock warrants, liability			$ 113,363,000		$ 0
gain from change in fair value of warrant liabilities, liability			$ 43,041,000		$ 0
Warrants to Purchase Common Stock [Member]
Class Of Warrant Or Right Issued During Period (in shares)	16,900,000	4	16,895,000
Distribution of common stock warrants, liability			$ 113,363
Class of Warrant or Right, Exercised During Period (in shares)			(674,000)	674,000
Warrants exercised, liability			$ (4,954)
gain from change in fair value of warrant liabilities, liability			$ (43,041)
Balance, shares (in shares)			16,221,000	16,221,000
Balance, liability			$ 65,368	$ 65,368