Property, Plant and Equipment, Net (Tables)

12 Months Ended

May 31, 2026

Property, Plant, and Equipment [Abstract]

Schedule of Property, Plant and Equipment

Refer below for useful lives by category:


			Estimated useful lives
Building and building improvements			3 to 39 years
Computer software and equipment			1 to 10 years
Machinery and equipment			3 to 11 years
Placement and evaluation units			5 years

Property, plant and equipment are summarized as follows:


(in thousands)			May 31, 2026						May 31, 2025
Building and building improvements			$	16,621					$	16,604
Computer software and equipment			29,738						29,038
Machinery and equipment			19,008						16,596
Placement and evaluation units			40,405						36,991
Construction in progress			1,640						3,794
			107,412						103,023
Less accumulated depreciation			(80,708)						(71,116)

			26,704						31,907
Land and land improvements			393						393
			$	27,097					$	32,300