Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Jul. 31, 2024	Jul. 31, 2023
REVENUE:
Revenues from customers	$ 19,828	$ 17,185
COSTS AND EXPENSES:
Marketing and advertising	914	1,278
General, administrative and other	4,012	3,498
Total costs and expenses	16,292	16,048
OPERATING INCOME	3,536	1,137
OTHER INCOME (EXPENSE):
Interest expense	(565)	(639)
Gain on sale of airplanes	0	440
Interest income	106	47
Total other income (expense)	(459)	(152)
INCOME BEFORE INCOME TAXES	3,077	985
PROVISION FOR INCOME TAXES:
Provision for income taxes	831	266
NET INCOME	$ 2,246	$ 719
BASIC EARNINGS PER COMMON SHARE (in dollars per share)	$ 0.03	$ 0.01
WEIGHTED AVERAGE SHARES USED IN PER SHARE CALCULATION (in shares)	68,738,247	75,198,532
DILUTED EARNINGS PER COMMON SHARE (in dollars per share)	$ 0.03	$ 0.01
WEIGHTED AVERAGE SHARES USED IN PER SHARE CALCULATION (in shares)	68,738,247	75,198,532
Professional Services [Member]
REVENUE:
Revenues from customers	$ 9,236	$ 9,041
COSTS AND EXPENSES:
Cost of services and products	3,892	3,946
Aerospace Products [Member]
REVENUE:
Revenues from customers	10,592	8,144
COSTS AND EXPENSES:
Cost of services and products	$ 7,474	$ 7,326