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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

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