Summary of Accounting Policies (Tables)

12 Months Ended

Apr. 30, 2023

Accounting Policies [Abstract]

Disaggregation of Revenue [Table Text Block]

Total revenue recognized over time as POC method was approximately $39.1 million and $46.4 million of the $40.8 million and $48.3 million reported for the years ended April 30, 2023 and 2022, respectively. The amounts by segment and product line were as follows:

	Fiscal Year Ended April 30, 2023
	(In thousands)
	POC Revenue		POT Revenue			Total Revenue
FEI-NY	$	29,800	$	2,514		$	32,314
FEI-Zyfer		9,283		649			9,932
Intersegment		-		(1,469	)		(1,469	)
Revenue	$	39,083	$	1,694		$	40,777

	Fiscal Year Ended April 30, 2022
	(In thousands)
	POC Revenue			POT Revenue			Total Revenue
FEI-NY	$	39,618		$	1,539		$	41,157
FEI-Zyfer		6,770			1,057			7,827
Intersegment		(1	)		(687	)		(688	)
Revenue	$	46,387		$	1,909		$	48,296

Revenue from External Customers by Products and Services [Table Text Block]

	Fiscal Years Ended April 30,
	(in thousands)
	2023		2022
Revenues by Product Line:
Satellite Revenue	$	17,918	$	26,092
Government Non-Space Revenue		20,282		19,593
Other Commercial & Industrial Revenue		2,577		2,611
Consolidated revenues	$	40,777	$	48,296