Note 7 - Property, Plant and Equipment (Tables)

9 Months Ended

Jan. 31, 2025

Notes Tables

Property, Plant and Equipment [Table Text Block]

	January 31, 2025			April 30, 2024
Land	$	3,447		$	4,224
Building and improvements		48,825			48,190
Aircraft		8,122			5,599
Machinery and equipment		6,218			7,484
Office furniture and fixtures		15,396			14,389
Leasehold improvements		4,032			4,032
		86,040			83,918
Accumulated depreciation		(25,900	)		(24,331	)
Total property, plant and equipment	$	60,140		$	59,587

Schedule of Useful Life of Property, Plant, and Equipment [Table Text Block]

Description	Estimated useful life
Building and improvements	39 years or the shorter of the estimated useful life of the asset or the underlying lease term
Aircraft	5 years
Machinery and equipment	5 years
Office furniture and fixtures	5 years
Leasehold improvements	Shorter of the estimated useful life of the asset or the underlying lease term