Property, Plant and Equipment, Net

12 Months Ended

Apr. 30, 2023

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment Disclosure [Text Block]

5. Property, Plant and Equipment, Net

Property, plant and equipment, net, at April 30, 2023 and 2022, consisted of the following (in thousands):

	April 30, 2023			April 30, 2022
Buildings and building improvements	$	2,597		$	2,576
Machinery, equipment and furniture		60,792			59,948
		63,389			62,524
Less accumulated depreciation		(56,296	)		(53,960	)
	$	7,093		$	8,564

Depreciation and amortization expense was $2.4 million and $2.8 million for the fiscal years ended April 30, 2023 and 2022, respectively.

Maintenance and repairs charged to operations was approximately $409,000 and $677,000 for the fiscal years ended April 30, 2023 and 2022, respectively.