Note 7 - Commitments and Contingencies (Details Textual) $ in Thousands		2 Months Ended	3 Months Ended		9 Months Ended		57 Months Ended
	Jul. 01, 2023	Sep. 27, 2024 USD ($) ft²	Sep. 30, 2024 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2024 USD ($)	Dec. 31, 2023 USD ($)	Jan. 01, 2021	Dec. 31, 2020
Operating Lease, Right-of-Use Asset			$ 6,950		$ 6,950		$ 6,950	$ 1,776
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay	4.00%						4.00%
Defined Contribution Plan, Cost			$ 100	$ 100	$ 300	$ 200
Maximum [Member]
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay	6.00%
Facility Lease [Member]
Lessee, Operating Lease, Discount Rate			6.25%		6.25%		6.25%
Number of Operating Leases										1
Lessee, Operating Lease, Term of Contract (Year)									4 years 5 months 1 day
Area of Real Estate Property | ft²		10,724
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability		$ 6,100
Operating Lease, Right-of-Use Asset			$ 7,000		$ 7,000		$ 7,000
Lessee, Operating Lease, Remaining Lease Term			6 years 8 months 12 days		6 years 8 months 12 days		6 years 8 months 12 days
Operating Lease, Cost			$ 300	300	$ 1,000	1,000
Operating Lease, Payments			$ 300	$ 300	$ 1,000	$ 1,000
Facility Lease [Member] | Financial Standby Letter of Credit [Member]
Restricted Cash		$ 568