Note 15 - Shareholders' Equity (Details Textual) - USD ($) $ / shares in Units, $ in Thousands							3 Months Ended		9 Months Ended
	Jan. 24, 2025	Jul. 18, 2024	Jun. 20, 2024	Jun. 17, 2024	Dec. 20, 2023	Jul. 26, 2023	Sep. 30, 2025	Mar. 31, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024	Dec. 31, 2019
Common Stock, Shares Authorized (in shares)							100,000,000		100,000,000		100,000,000
Common Stock, Shares, Issued (in shares)							46,781,211		46,781,211		42,231,746
Common Stock, Shares, Outstanding (in shares)							46,781,211		46,781,211		42,231,746
Proceeds from Issuance of Common Stock									$ 7,970	$ 151,169
Proceeds from Issuance of Private Placement						$ 120,000
Conversion of Prefunded Warrants Into Ordinary Shares [Member]
Conversion of Stock, Shares Issued (in shares)	3,206,271				1,599,733
Conversion of Stock, Shares Converted (in shares)	3,206,271				1,599,840
Pre-funded Warrant [Member]
Class of Warrant or Right, Outstanding (in shares)						5,278,776	472,665		472,665
Class of Warrants or Rights, Issuance Price Per Share (in dollars per share)						$ 9.539
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)						$ 0.001
Prefunded Warrants Associated With Public Offering [Member]
Class of Warrant or Right, Outstanding (in shares)				1,142,857			1,142,857		1,142,857
Class of Warrants or Rights, Issuance Price Per Share (in dollars per share)				$ 17.499
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)			$ 0.001
ATM Sales Agreement [Member]
Sale of Stock, Maximum Authorize Amount												$ 100,000
Stock Issued During Period, Shares, New Issues (in shares)							416,248	3,400,468
Proceeds from Issuance of Common Stock							$ 8,200	$ 56,100
Net Proceeds From Issuance of Common Stock, After Deducting Sales Commissions							8,000	$ 54,700
Sale of Stock, Remaining Amount Authorized							$ 19,100		$ 19,100
Private Placement [Member]
Stock Issued During Period, Shares, New Issues (in shares)						7,300,380
Shares Issued, Price Per Share (in dollars per share)						$ 9.54
Placement Agents and Financial Advisors Fees						$ 3,600
Private Placement [Member] | Monograph Capital Partners [Member]
Stock Issued During Period, Shares, New Issues (in shares)						1,572,327
Proceeds from Issuance of Private Placement						$ 15,000
Underwritten Public Offering [Member]
Stock Issued During Period, Shares, New Issues (in shares)				5,000,000
Shares Issued, Price Per Share (in dollars per share)				$ 17.5
Proceeds from Issuance or Sale of Equity			$ 107,500
Payments of Stock Issuance Costs			$ 7,300
Over-Allotment Option [Member]
Stock Issued During Period, Shares, New Issues (in shares)		921,428
Proceeds from Issuance or Sale of Equity		$ 16,100
Payments of Stock Issuance Costs		$ 1,000
Equity Sale, Shares Issuable (in shares)			921,428