INVESTMENTS AND FAIR VALUE MEASUREMENTS - DERIVATIVE INSTRUMENT (Details) - USD ($) $ in Thousands	Oct. 31, 2024	Apr. 30, 2024
INVESTMENTS AND FAIR VALUE MEASUREMENTS
Total financial liability, cost	$ 7,145	$ 7,935
Unrealized Gains	(3,251)	(2,495)
Total liabilities at fair value	$ 3,894	$ 5,440
Derivative Liability, Statement of Financial Position [Extensible Enumeration]	Other Liabilities, Current	Other Liabilities, Current
Exchange Traded Options [Member]
INVESTMENTS AND FAIR VALUE MEASUREMENTS
Cost	$ 7,145	$ 7,935
Unrealized Gains	(3,251)	(2,495)
Derivative instruments	$ 3,894	$ 5,440