Note 4 - Disaggregation of Revenue (Tables)

6 Months Ended

Oct. 31, 2021

Notes Tables

Disaggregation of Revenue [Table Text Block]

	Three Months Ended October 31, 2021						Three Months Ended October 31, 2020
	Professional Services		Aerospace Products		Total		Professional Services		Aerospace Products		Total
Geographical Markets
North America	$	9,676	$	7,522	$	17,198	$	7,648	$	7,027	$	14,675
Europe		-		1,114		1,114		-		938		938
Asia		-		675		675		-		2		2
Australia and Other		-		106		106		-		357		357
	$	9,676	$	9,417	$	19,093	$	7,648	$	8,324	$	15,972
Major Product Lines
Casino Gaming Revenues	$	8,486	$	-	$	8,486	$	6,771	$	-	$	6,771
Casino Non-Gaming Revenues		1,087		-		1,087		784		-		784
Professional Services		103		-		103		93		-		93
Aircraft Modification		-		5,910		5,910		-		5,942		5,942
Aircraft Avionics		-		665		665		-		625		625
Special Mission Electronics		-		2,842		2,842		-		1,757		1,757
	$	9,676	$	9,417	$	19,093	$	7,648	$	8,324	$	15,972
Contract Types / Revenue Recognition Timing
Percentage of completion contracts	$	-	$	5,703	$	5,703	$	-	$	5,516	$	5,516
Goods or services transferred at a point of sale		9,676		3,714		13,390		7,648		2,808		10,456
	$	9,676	$	9,417	$	19,093	$	7,648	$	8,324	$	15,972

	Six Months Ended October 31, 2021						Six Months Ended October 31, 2020
	Professional Services		Aerospace Products		Total		Professional Services		Aerospace Products		Total
Geographical Markets
North America	$	19,401	$	14,963	$	34,364	$	13,001	$	13,085	$	26,086
Europe		-		1,957		1,957		-		1,828		1,828
Asia		-		763		763		-		2		2
Australia and Other		-		153		153		-		1,045		1,045
	$	19,401	$	17,836	$	37,237	$	13,001	$	15,960	$	28,961
Major Product Lines
Casino Gaming Revenues	$	17,074	$	-	$	17,074	$	11,570	$	-	$	11,570
Casino Non-Gaming Revenues		2,163		-		2,163		1,293		-		1,293
Professional Services		164		-		164		138		-		138
Aircraft Modification		-		11,692		11,692		-		10,735		10,735
Aircraft Avionics		-		1,540		1,540		-		1,539		1,539
Special Mission Electronics		-		4,604		4,604		-		3,686		3,686
	$	19,401	$	17,836	$	37,237	$	13,001	$	15,960	$	28,961
Contract Types / Revenue Recognition Timing
Percentage of completion contracts	$	-	$	10,978	$	10,978	$	-	$	9,560	$	9,560
Goods or services transferred at a point of sale		19,401		6,858		26,259		13,001		6,400		19,401
	$	19,401	$	17,836	$	37,237	$	13,001	$	15,960	$	28,961