Note 7 - Commitments and Contingencies (Details Textual) $ in Thousands	2 Months Ended	3 Months Ended		9 Months Ended
	Sep. 27, 2024 USD ($) ft²	Sep. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)	Dec. 31, 2024 USD ($)
Operating Lease, Right-of-Use Asset		$ 9,452		$ 9,452		$ 6,731
Restricted Cash		568		568		$ 568
Defined Contribution Plan, Cost		100	$ 100	$ 300	$ 300
Maximum [Member]
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay				6.00%
Facility Lease [Member]
Area of Real Estate Property | ft²	10,724
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	$ 9,900
Operating Lease, Right-of-Use Asset		$ 9,800		$ 9,800
Lessee, Operating Lease, Remaining Lease Term		5 years 8 months 12 days		5 years 8 months 12 days
Operating Lease, Cost		$ 500		$ 1,300	1,000
Operating Lease, Payments		$ 200	$ 300	$ 800	$ 1,000
Facility Lease [Member] | Financial Standby Letter of Credit [Member]
Restricted Cash	$ 568