Note 7 - Property, Plant and Equipment

3 Months Ended

Jul. 31, 2023

Notes to Financial Statements

Property, Plant and Equipment Disclosure [Text Block]

7. Property, Plant and Equipment

Property, plant and equipment is comprised of the following:

	July 31, 2023			April 30, 2023
Land	$	4,751		$	4,751
Building and improvements		47,867			47,867
Aircraft		7,193			8,515
Machinery and equipment		5,627			5,547
Office furniture and fixtures		14,054			13,881
Leasehold improvements		4,032			4,032
		83,524			84,593
Accumulated depreciation		(25,189	)		(25,526	)
Total property, plant and equipment	$	58,335		$	59,067

Property and Related Depreciation: Machinery and equipment are recorded at cost and depreciated over their estimated useful lives. Depreciation is provided on a straight-line basis. 

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

Maintenance and repairs are charged to expense as incurred. The cost and accumulated depreciation of assets retired are removed from the accounts and any resulting gains or losses are reflected as income or expense.