Note 14 - Commitments and Contingencies (Details Textual) $ in Millions		3 Months Ended	12 Months Ended
	Jan. 01, 2018	Jun. 30, 2021 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	May 26, 2017 ft²
Operating Lease, Cost			$ 0.6	$ 0.6
Operating Lease, Payments			$ 0.6	$ 0.6
Operating Lease, Weighted Average Remaining Lease Term (Year)			3 years 8 months 12 days
Operating Lease, Weighted Average Discount Rate, Percent			4.53%
Purchase Commitment, Remaining Minimum Amount Committed			$ 33.8
Other Liabilities [Member]
Operating Lease, Liability, Noncurrent			$ 1.5
Two Years, Option Renewal Term [Member] | Facilities and Office Space in Corvallis Oregon [Member]
Lessee, Operating Lease, Number of Renewal Options	2
Lessee, Operating Lease, Renewal Term (Year)	2 years
Increase (Decrease) in Operating Right-of-use Assets		$ 0.7
Three Years, Option RenewalTerm [Member] | Facilities and Office Space in Corvallis Oregon [Member]
Lessee, Operating Lease, Renewal Term (Year)	3 years
The New HQ Lease [Member] | MacAndrews and Forbes Incorporated [Member]
Lessee, Operating Lease, Term of Contract (Year)					10 years
Area of Real Estate Property (Square Foot) | ft²					3,200