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SEGMENT INFORMATION - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
	Jul. 31, 2025	Jul. 31, 2024
Disaggregation of Revenue [Line Items]
Revenue	$ 13,812	$ 15,077
Frequency Electronics Inc New York [Member]
Disaggregation of Revenue [Line Items]
Revenue	10,354	10,975
Frequency Electronics Inc Zyfer [Member]
Disaggregation of Revenue [Line Items]
Revenue	3,718	4,272
Inter Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	(260)	(170)
POC Revenue [Member]
Disaggregation of Revenue [Line Items]
Revenue	12,428	14,508
POC Revenue [Member] | Frequency Electronics Inc New York [Member]
Disaggregation of Revenue [Line Items]
Revenue	9,748	10,507
POC Revenue [Member] | Frequency Electronics Inc Zyfer [Member]
Disaggregation of Revenue [Line Items]
Revenue	2,680	4,001
POC Revenue [Member] | Inter Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	0	0
POT Revenue [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,384	569
POT Revenue [Member] | Frequency Electronics Inc New York [Member]
Disaggregation of Revenue [Line Items]
Revenue	606	468
POT Revenue [Member] | Frequency Electronics Inc Zyfer [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,038	271
POT Revenue [Member] | Inter Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	$ (260)	$ (170)

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