Note 8 - Commitments and Contingencies (Details Textual) - USD ($) $ in Thousands	10 Months Ended
	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021
Accrued Litigation Settlement	$ 2,000		$ 0
Lease for Facility in South San Francisco, California [Member]
Purchase Obligation, Total	18,600
Lessee, Operating Lease, Lease Not yet Commenced	14,900	$ 14,300
Lessee, Operating Lease, Lease Not yet Commenced, Minimum Tenant Improvements	7,000
Payments for Tenant Improvements	4,000
Lessee, Operating Lease, Lease Not Yet Commenced, Purchase Obligation	$ 2,900