Note 14 - Leases (Details Textual)	3 Months Ended		12 Months Ended
	Mar. 31, 2024 USD ($)	Jun. 30, 2021 USD ($)	Dec. 31, 2019	Dec. 31, 2023 USD ($)	May 26, 2017 ft²
Liabilities, Noncurrent [Abstract]
Other Liabilities	$ 3,342,927			$ 3,376,203
Operating Lease, Cost	100,000
Operating Lease, Payments	$ 200,000
Operating Lease, Weighted Average Remaining Lease Term (Year)	2 years 8 months 12 days
Operating Lease, Weighted Average Discount Rate, Percent	4.53%
Operating Lease, Liability, Noncurrent	$ 800,000
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other Liabilities
Facilities and Office Space in Corvallis Oregon [Member]
Lessee, Operating Lease, Number of Renewal Options			2
Two Years, Option Renewal Term [Member] | Facilities and Office Space in Corvallis Oregon [Member]
Lessee, Operating Lease, Renewal Term (Year)			2 years
Three Years, Option RenewalTerm [Member] | Facilities and Office Space in Corvallis Oregon [Member]
Lessee, Operating Lease, Renewal Term (Year)			3 years
Increase (Decrease) in Operating Right-of-use Assets		$ 700,000
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