Note 10 - Property, Plant and Equipment

9 Months Ended

Dec. 31, 2022

Notes to Financial Statements

Property, Plant and Equipment Disclosure [Text Block]

10. Property, Plant and Equipment

The cost and accumulated depreciation of property, plant and equipment at  December 31, 2022 and  March 31, 2022 are as follows (in thousands):

	December 31, 2022			March 31, 2022
Construction in progress - equipment	$	844		$	573
Land		980			980
Building		5,416			5,270
Equipment and software		43,938			43,668
Finance lease - right of use asset		3			8
Furniture and fixtures		1,530			1,379
Leasehold improvements		6,650			6,634
Property, plant and equipment, gross	$	59,361			58,512
Less accumulated depreciation		(46,750	)		(44,856	)
Property, plant and equipment, net	$	12,611		$	13,656

Depreciation expense was $0.6 million and $0.7 million for the three months ended December 31, 2022 and 2021, respectively. Depreciation expense was $2.0 million for each of the nine months ended December 31, 2022 and 2021, respectively.