Note 17 - Stockholders' Equity - Restricted Stock Units Activity (Details) - shares	12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Outstanding, units (in shares)	1,670,975	3,064,285
Granted, units (in shares)	2,075,756	1,172,380
Vested, units (in shares)	(1,850,576)	(2,136,679)
Cancelled, units (in shares)	(50,000)	(429,011)
Outstanding, units (in shares)	1,846,155	1,670,975