Note 5 - Property, Plant, and Equipment (Tables)

12 Months Ended

Apr. 30, 2023

Notes Tables

Property, Plant and Equipment [Table Text Block]

	2023			2022
Construction in progress	$	-		$	6,417
Land		4,751			4,751
Building and improvements		47,867			40,962
Aircraft		8,515			8,719
Machinery and equipment		5,547			4,917
Office furniture and fixtures		13,881			11,826
Leasehold improvements		4,032			4,032
		84,593			81,624
Accumulated depreciation		(25,526	)		(22,778	)
Total property, plant and equipment	$	59,067		$	58,846