Note 8 - Stockholders' Equity (Details Textual) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended	12 Months Ended
	Aug. 12, 2025	Mar. 31, 2024	Dec. 31, 2025	Dec. 31, 2024
Common Stock, Par or Stated Value Per Share	$ 0.0001		$ 0.0001	$ 0.0001
Proceeds from Issuance of Common Stock			$ 137,999	$ 18,113
Pre-Funded Warrants in Connection with Underwriting Agreement [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights	6,710,000		6,710,000
Class of Warrant Or Right, Purchase Price (in dollars per share)	$ 2.9999
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)	$ 0.0001		$ 0.0001
Underwriting Agreement [Member]
Stock Issued During Period, Shares, New Issues	33,290,000
Shares Issued, Price Per Share	$ 3
Proceeds from Issuance or Sale of Equity	$ 129,300
Expense Related to Distribution or Servicing and Underwriting Fees	8,300
Offering Cost, Expense	$ 400
Over-Allotment Option [Member]
Stock Issuable During Period, Shares (in shares)	6,000,000
At The Market [Member]
Stock Issued During Period, Shares, New Issues		9,790,577
Shares Issued, Price Per Share		$ 1.85
Proceeds from Issuance of Common Stock		$ 18,100
Proceeds from Issuance of Common Stock, Net		$ 17,600