Note 14 - Stock-based Compensation - Vesting Terms of Options Granted (Details) - shares	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Stock options granted in the period (in shares)	13,606	7,232
Options with Three Year Vesting [Member]
Stock options granted in the period (in shares)	667	1,611
Options with Four Year Vesting [Member]
Stock options granted in the period (in shares)	12,939	5,621