Note 16 - Stockholders' Deficit - Schedule of Stock-based Compensation Expense (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Total stock-based compensation expense	$ 2,163	$ 2,291	$ 3,619	$ 3,991
Cost of Sales [Member]
Total stock-based compensation expense	1,107	335	2,126	650
Sales and Marketing [Member]
Total stock-based compensation expense	15	101	33	62
Research and Development Expense [Member]
Total stock-based compensation expense	45	144	98	262
General and Administrative Expense [Member]
Total stock-based compensation expense	$ 996	$ 1,711	$ 1,362	$ 3,017