Note 14 - Leases - Summary of Information Relating to Lease Term and Discount Rate (Details)	Mar. 31, 2023	Mar. 31, 2022
Statement [Line Items]
Operating leases (Month)	16 months 15 days	24 months 24 days
Finance leases (Month)	14 months 6 days	26 months 6 days
Operating leases	7.50%	7.50%
Finance leases	7.50%	7.50%