Note 15 - Segment Reporting and Sales by Major Customer (Tables)

6 Months Ended

Oct. 31, 2021

Notes Tables

Schedule of Segment Reporting Information, by Segment [Table Text Block]

Three Months Ended October 31, 2021	Gaming		Aircraft Modification		Aircraft Avionics			Special Mission Electronics		Other			Total
Revenues from customers	$	9,573	$	5,910	$	665		$	2,842	$	103		$	19,093
Interest expense		576		53		-			5		6			640
Depreciation and amortization		574		44		1			37		49			705
Operating income (loss)		3,075		1,245		(114	)		1,485		(948	)		4,743

Three Months Ended October 31, 2020	Gaming		Aircraft Modification		Aircraft Avionics			Special Mission Electronics		Other			Total
Revenues from customers	$	7,555	$	5,942	$	625		$	1,757	$	93		$	15,972
Interest expense		982		65		-			6		12			1,065
Depreciation and amortization		954		47		1			33		40			1,075
Operating income (loss)		1,621		471		(98	)		520		(827	)		1,687

Six Months Ended October 31, 2021	Gaming		Aircraft Modification		Aircraft Avionics			Special Mission Electronics		Other			Total
Revenues from customers	$	19,237	$	11,692	$	1,540		$	4,604	$	164		$	37,237
Interest expense		1,124		108		-			11		11			1,254
Depreciation and amortization		1,152		89		3			70		93			1,407
Operating income (loss)		6,619		2,388		(133	)		1,988		(2,097	)		8,765

Six Months Ended October 31, 2020	Gaming		Aircraft Modification		Aircraft Avionics		Special Mission Electronics		Other			Total
Revenues from customers	$	12,863	$	10,735	$	1,539	$	3,686	$	138		$	28,961
Interest expense		1,484		132		-		14		23			1,653
Depreciation and amortization		1,882		93		3		65		75			2,118
Operating income (loss)		1,011		1,387		102		1,119		(1,804	)		1,815

Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block]

	Six Months Ended October 31, 2021			Six Months Ended October 31, 2020
Aerospace Products – two customers in the six months ended October 31, 2021, no customers in the six months ended October 31, 2020		23.3	%		-
Professional Services		-			-