SEGMENT INFORMATION (Details) - Reconciliation of Revenue from Segments to Consolidated - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Oct. 31, 2023	Oct. 31, 2022	Oct. 31, 2023	Oct. 31, 2022
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	$ 13,575	$ 8,949	$ 25,984	$ 17,153
Frequency Electronics Inc New York [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	9,271	7,680	18,762	14,534
Frequency Electronics Inc Zyfer [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	4,756	1,561	8,023	3,292
Inter Segment [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	$ (452)	$ (292)	$ (801)	$ (673)