Note 2 - Disaggregation of Revenue (Tables)

12 Months Ended

Apr. 30, 2022

Notes Tables

Disaggregation of Revenue [Table Text Block]

	Year Ended April 30, 2022
	Professional Services		Aerospace Products		Total
Geographical Markets
North America	$	39,147	$	29,258	$	68,405
Europe		-		2,803		2,803
Asia		-		1,228		1,228
Australia and Other		-		1,037		1,037
	$	39,147	$	34,326	$	73,473
Major Product Lines
Casino Gaming Revenues	$	34,411	$	-	$	34,411
Casino Non-Gaming Revenues		4,358		-		4,358
Professional Services		378		-		378
Aircraft Modification		-		21,399		21,399
Aircraft Avionics		-		2,373		2,373
Special Mission Electronics		-		10,554		10,554
	$	39,147	$	34,326	$	73,473
Contract Types / Revenue Recognition Timing
Percentage of completion contracts	$	-	$	19,507	$	19,507
Goods or services transferred at a point of sale		39,147		14,819		53,966
	$	39,147	$	34,326	$	73,473

	Year Ended April 30, 2021
	Professional Services		Aerospace Products		Total
Geographical Markets
North America	$	30,205	$	25,537	$	55,742
Europe		-		3,427		3,427
Asia		-		1,332		1,332
Australia and Other		-		979		979
	$	30,205	$	31,275	$	61,480
Major Product Lines
Casino Gaming Revenues	$	26,811	$	-	$	26,811
Casino Non-Gaming Revenues		3,140		-		3,140
Professional Services		254		-		254
Aircraft Modification		-		21,750		21,750
Aircraft Avionics		-		2,583		2,583
Special Mission Electronics		-		6,942		6,942
	$	30,205	$	31,275	$	61,480
Contract Types / Revenue Recognition Timing
Percentage of completion contracts	$	-	$	19,280	$	19,280
Goods or services transferred at a point of sale		30,205		11,995		42,200
	$	30,205	$	31,275	$	61,480