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Note 2 - Revenue Recognition (Tables)

6 Months Ended

Sep. 30, 2021

Notes Tables

Disaggregation of Revenue [Table Text Block]

		Three Months Ended September 30, 2021
		Sterilization and Disinfection Control				Biopharmaceutical Development				Instruments				Continuous Monitoring				Total
Discrete Revenues
Consumables		$	11,985			$	5,218			$	853			$	7			$	18,063
Hardware and Software			85				3,472				4,485				2,063				10,105
Services			493				850				1,632				1,349				4,324
Contracted Revenues
Services and Software			1,470				1,015				-				863				3,348
Total Revenues		$	14,033			$	10,555			$	6,970			$	4,282			$	35,840

		Three Months Ended September 30, 2020
		Sterilization and Disinfection Control				Biopharmaceutical Development				Instruments				Continuous Monitoring				Total
Discrete Revenues
Consumables		$	9,518			$	3,238			$	715			$	15			$	13,486
Hardware and Software			108				4,191				4,815				2,207				11,321
Services			706				1,005				2,028				614				4,353
Contracted Revenues
Services and Software			1,220				697				-				783				2,700
Total Revenues		$	11,552			$	9,131			$	7,558			$	3,619			$	31,860

		Six Months Ended September 30, 2021
		Sterilization and Disinfection Control				Biopharmaceutical Development				Instruments				Continuous Monitoring				Total
Discrete Revenues
Consumables		$	24,861			$	8,826			$	1,795			$	17			$	35,499
Hardware and Software			245				7,029				9,723				3,907				20,904
Services			1,194				1,432				3,014				2,202				7,842
Contracted Revenues
Services and Software			2,883				2,145				-				1,487				6,515
Total Revenues		$	29,183			$	19,432			$	14,532			$	7,613			$	70,760

		Six Months Ended September 30, 2020
		Sterilization and Disinfection Control				Biopharmaceutical Development				Instruments				Continuous Monitoring				Total
Discrete Revenues
Consumables		$	21,002			$	5,177			$	1,523			$	45			$	27,747
Hardware and Software			237				6,747				9,835				4,162				20,981
Services			956				1,787				3,880				1,145				7,768
Contracted Revenues
Services and Software			2,424				1,369				-				1,512				5,305
Total Revenues		$	24,619			$	15,080			$	15,238			$	6,864			$	61,801

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

		Three Months Ended September								Six Months Ended September 30,
		2021				2020				2021				2020
United States		$	19,384			$	11,222			$	37,839			$	27,594
Foreign			16,456				20,638				32,921				34,207
Total revenues		$	35,840			$	31,860			$	70,760			$	61,801

Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block]

Contract liabilities as of March 31, 2021		$	8,994
Prior year liabilities recognized in revenues during the six months ended September 30, 2021			(3,910	)
Contract liabilities added during the six months ended September 30, 2021, net of revenues recognized			5,592
Contract liabilities balance as of September 30, 2021		$	10,676

X

- Definition

Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
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-Publisher FASB
-Name Accounting Standards Codification
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+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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