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Note 14 - Segment Data (Tables)

12 Months Ended

Mar. 31, 2025

Notes Tables

Schedule of Segment Reporting Information, by Segment [Table Text Block]

		Sterilization and Disinfection Control (d)				Clinical Genomics				Biopharmaceutical Development				Calibration Solutions				Corporate and Other (e)				Total Company
Year Ended March 31, 2025
Revenues (a)		$	93,418			$	47,081			$	48,730			$	51,749			$	-			$	240,978
Less:
Depreciation in cost of revenues			1,419				680				224				837				-				3,160
Amortization in cost of revenues			503				765				1,373				-				-				2,641
Non-cash GKE inventory step-up amortization			1,232				-				-				-				-				1,232
Other cost of revenues (b)			25,604				19,966				17,220				20,275				10				83,075
Total segment cost of revenues			28,758				21,411				18,817				21,112				10				90,108
Gross Profit (c)		$	64,660			$	25,670			$	29,913			$	30,637			$	(10	)		$	150,870
Reconciling items:
Operating expense																						$	134,534
Operating income																							16,336
Nonoperating expense, net																							10,375
Earnings before income taxes																						$	5,961
Year Ended March 31, 2024
Revenues (a)		$	75,124			$	52,588			$	40,712			$	47,763			$	-			$	216,187
Less:
Depreciation in cost of revenues			1,204				937				224				666				-				3,031
Amortization in cost of revenues			266				4,448				1,338				-				-				6,052
Non-cash GKE inventory step-up amortization			1,229				-				-				-				-				1,229
Other cost of revenues (b)			19,123				20,125				13,750				19,550				77				72,625
Total segment cost of revenues			21,822				25,510				15,312				20,216				77				82,937
Gross Profit (c)		$	53,302			$	27,078			$	25,400			$	27,547			$	(77	)		$	133,250
Reconciling items:
Operating expense																						$	405,325
Operating (loss)																							(272,075	)
Nonoperating expense, net																							3,573
(Loss) before income taxes																						$	(275,648	)
Year Ended March 31, 2023
Revenues (a)		$	64,609			$	62,299			$	47,365			$	44,807			$	-			$	219,080
Less:
Depreciation in cost of revenues			818				1,130				314				901				-				3,163
Amortization in cost of revenues			-				5,675				1,121				-				-				6,796
Other cost of revenues (b)			17,271				23,009				15,590				19,518				40				75,428
Total segment cost of revenues			18,089				29,814				17,025				20,419				40				85,387
Gross Profit (c)		$	46,520			$	32,485			$	30,340			$	24,388			$	(40	)		$	133,693
Reconciling items:
Operating expense																						$	130,373
Operating income																							3,320
Nonoperating expense, net																							3,709
(Loss) before income taxes																						$	(389	)

Schedule of Segment Reporting Information, by Inventory Segment [Table Text Block]

		March 31,				March 31,
		2025				2024
Sterilization and Disinfection Control		$	5,545			$	7,014
Clinical Genomics			9,776				11,813
Biopharmaceutical Development			4,934				6,304
Calibration Solutions			5,110				7,544
Total inventories		$	25,365			$	32,675

Long-Lived Assets by Geographic Areas [Table Text Block]

		March 31,				March 31,
		2025				2024
United States		$	29,200			$	32,229
Sweden			11,634				1,271
Germany			6,712				7,596
Other			1,169				1,208
Total long-lived assets		$	48,715			$	42,304

Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block]

		Year Ended March 31,
		2025				2024				2023
United States		$	116,615			$	106,395			$	117,281
China			25,312				24,933				25,797
Other			99,051				84,859				76,002
Total revenues		$	240,978			$	216,187			$	219,080

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