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Note 16 - Segment Data (Tables)

12 Months Ended

Mar. 31, 2021

Notes Tables

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

		Year Ended March 31,
		2021				2020				2019
Total revenues (a)
Sterilization and Disinfection Control		$	53,119			$	49,660			$	46,297
Instruments			32,465				37,984				36,125
Biopharmaceutical Development			33,892				13,851				-
Continuous Monitoring			14,461				13,729				13,806
Reportable segment revenues			133,937				115,224				96,228
Corporate and Other (b)			-				2,463				6,907
Total revenues (a)		$	133,937			$	117,687			$	103,135
Gross profit (loss)
Sterilization and Disinfection Control		$	39,870			$	35,797			$	31,861
Instruments			20,158				24,247				22,866
Biopharmaceutical Development			21,035				382				-
Continuous Monitoring			5,954				4,518				5,582
Reportable segment gross profit			87,017				64,944				60,309
Corporate and Other (b)			(3	)			418				607
Gross profit		$	87,014			$	65,362			$	60,916
Reconciling Items:
Operating expenses			74,656				57,439				51,135
Operating income			12,358				7,923				9,781
Nonoperating expense, net			10,055				4,061				1,158
Earnings before income taxes		$	2,303			$	3,862			$	8,623

		Year Ended March 31,
		2021				2020				2019
Depreciation and amortization
Sterilization and Disinfection Control		$	857			$	902			$	902
Instruments			164				179				207
Biopharmaceutical Development			1,427				672				-
Continuous Monitoring			256				328				272
Reportable segment depreciation and amortization			2,704				2,081				1,381
Corporate and Other (c)			14,956				10,909				8,047
Depreciation and amortization		$	17,660			$	12,990			$	9,428
Capital expenditures
Sterilization and Disinfection Control		$	136			$	291			$	384
Instruments			128				165				56
Biopharmaceutical Development			539				233				-
Continuous Monitoring			40				201				254
Reportable segment capital expenditures			843				890				694
Corporate and Other			1,149				608				568
Capital expenditures		$	1,992			$	1,498			$	1,262

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

		March 31, 2021				March 31, 2020
Sterilization and Disinfection Control		$	2,333			$	2,104
Instruments			3,253				3,065
Biopharmaceutical Development			4,162				7,438
Continuous Monitoring			1,430				1,623
Reportable segment Inventory			11,178				14,230
Corporate and administrative			-				-
Total inventories		$	11,178			$	14,230

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

		As of March 31,
		2021				2020
United States		$	21,443			$	23,306
Foreign			3,085				1,240
Total		$	24,528			$	24,546

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

		Year Ended March 31,
		2021				2020				2019
United States		$	71,387			$	66,344			$	64,828
Foreign			62,550				51,343				38,307
Total revenues		$	133,937			$	117,687			$	103,135

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- Definition

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