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SEGMENT INFORMATION (Details) - Reconciliation of Revenue from Segments to Consolidated - USD ($) $ in Thousands	3 Months Ended
	Jul. 31, 2020	Jul. 31, 2019
Revenues:
Revenues	$ 12,951	$ 12,554
Frequency Electronics Inc New York [Member]
Revenues:
Revenues	9,839	9,010
Frequency Electronics Inc Zyfer [Member]
Revenues:
Revenues	3,922	3,701
Inter Segment [Member]
Revenues:
Revenues	$ (810)	$ (157)

X

- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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