Note 6 - Leases - Lease Term and Discount Rate (Details)	Dec. 31, 2025
Weighted average remaining lease term in years - operating lease (Year)	4 years 9 months 18 days
Weighted average remaining lease term in years - finance lease (Year)	1 month 6 days
Weighted average discount rate - operating lease	7.80%
Weighted average discount rate - finance lease	9.50%