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Note 2 - Revenue Recognition (Tables)

12 Months Ended

Mar. 31, 2019

Notes Tables

Disaggregation of Revenue [Table Text Block]

		Year Ended March 31, 2019
		Sterilization and Disinfection Control				Instruments				Cold Chain Monitoring				Cold Chain Packaging				Total
Discrete Revenues
Consumables		$	39,670			$	3,101			$	388			$	6,430			$	49,589
Hardware and Software			580				24,500				6,987				142				32,209
Services			1,209				8,524				2,001				335				12,069
Contracted Revenues
Services			4,838				--				4,430				--				9,268
Total Revenues		$	46,297			$	36,125			$	13,806			$	6,907			$	103,135

		Year Ended March 31, 2018
		Sterilization and Disinfection Control				Instruments				Cold Chain Monitoring				Cold Chain Packaging				Total
Discrete Revenues
Consumables		$	36,436			$	3,080			$	261			$	5,197			$	44,974
Hardware and Software			925				23,345				5,051				91				29,412
Services			1,110				7,679				2,017				549				11,355
Contracted Revenues
Services			4,789				--				5,649				--				10,438
Total Revenues		$	43,260			$	34,104			$	12,978			$	5,837			$	96,179

		Year Ended March 31, 2017
		Sterilization and Disinfection Control				Instruments				Cold Chain Monitoring				Cold Chain Packaging				Total
Discrete Revenues
Consumables		$	31,851			$	2,917			$	175			$	7,005			$	41,948
Hardware and Software			693				24,098				6,748				23				31,562
Services			1,351				7,390				2,848				1,013				12,602
Contracted Revenues
Services			4,740				--				2,813				--				7,553
Total Revenues		$	38,635			$	34,405			$	12,584			$	8,041			$	93,665

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

Contract liabilities balance as of March 31, 2018		$	4,147
Prior year liabilities recognized in revenues during the year ended March 31, 2019			(4,629	)
Contract liabilities added during the year ended March 31, 2019, net of revenues recognized			4,908
Contract liabilities balance as of March 31, 2019		$	4,426

X

- Definition

Tabular disclosure of contract balances and changes in contract balances.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130551-203045

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- Definition

Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045

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