Note 10 - Leases (Details Textual) |
Dec. 31, 2025
ft²
|
Dec. 31, 2024 |
|---|---|---|
| Additional Number of Leases | 2 | |
| Operating Lease, Weighted Average Remaining Lease Term (Year) | 5 years 3 months | 6 years 2 months 4 days |
| Operating Lease, Weighted Average Discount Rate, Percent | 8.27% | 8.25% |
| Minimum [Member] | ||
| Lessee, Operating Lease, Remaining Lease Term (Year) | 3 years 3 months 18 days | |
| Maximum [Member] | ||
| Lessee, Operating Lease, Remaining Lease Term (Year) | 5 years 3 months 18 days | |
| Office Building [Member] | Gallarate Italy [Member] | ||
| Area of Real Estate Property (Square Foot) | 1,335 | |
| Office Building [Member] | Aurora Illinois [Member]] | ||
| Area of Real Estate Property (Square Foot) | 11,000 |