CONTRACT ASSETS AND LIABILITIES (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Oct. 31, 2024	Oct. 31, 2023	Oct. 31, 2024	Oct. 31, 2023
CONTRACT ASSETS AND LIABILITIES (Details) [Line Items]
Revenues	$ 15,820	$ 13,575	$ 30,898	$ 25,984
Loss on Contracts	200	1,400	200	1,500
Increase (Decrease) in Contract with Customer, Liability	300		300
Contract Liabilities [Member]
CONTRACT ASSETS AND LIABILITIES (Details) [Line Items]
Revenues	$ 8,300	$ 4,400	$ 16,000	$ 8,100