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SEGMENT INFORMATION - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jan. 31, 2026	Jan. 31, 2025	Jan. 31, 2026	Jan. 31, 2025
Disaggregation of Revenue [Line Items]
Revenue	$ 16,890	$ 18,927	$ 47,829	$ 49,825
Frequency Electronics Inc New York [Member]
Disaggregation of Revenue [Line Items]
Revenue	12,251	14,463	33,399	36,984
Frequency Electronics Inc Zyfer [Member]
Disaggregation of Revenue [Line Items]
Revenue	6,975	5,027	17,757	13,858
Inter Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	(2,336)	(563)	(3,327)	(1,017)
POC Revenue [Member]
Disaggregation of Revenue [Line Items]
Revenue	15,706	17,651	42,971	47,283
POC Revenue [Member] | Frequency Electronics Inc New York [Member]
Disaggregation of Revenue [Line Items]
Revenue	9,481	13,596	28,943	34,945
POC Revenue [Member] | Frequency Electronics Inc Zyfer [Member]
Disaggregation of Revenue [Line Items]
Revenue	6,225	4,055	14,028	12,338
POC Revenue [Member] | Inter Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
POT Revenue [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,184	1,276	4,858	2,542
POT Revenue [Member] | Frequency Electronics Inc New York [Member]
Disaggregation of Revenue [Line Items]
Revenue	2,770	867	4,456	2,039
POT Revenue [Member] | Frequency Electronics Inc Zyfer [Member]
Disaggregation of Revenue [Line Items]
Revenue	750	972	3,729	1,520
POT Revenue [Member] | Inter Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	$ (2,336)	$ (563)	$ (3,327)	$ (1,017)

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