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Note 9 - Segment Information (Tables)

3 Months Ended

Jun. 30, 2015

Segment Reporting [Abstract]

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

		Three Months Ended June 30, 2015
		Biological Indicators				Instruments				Continuous Monitoring				Total
Revenues		$	7,236			$	8,331			$	2,591			$	18,158
Gross profit		$	4,749			$	5,355			$	1,037			$	11,141
Selling expenses			360				981				458				1,799
		$	4,389			$	4,374			$	579				9,342
Reconciling items (1)															(5,816	)
Earnings before income taxes														$	3,526

		Three Months Ended June 30, 2014
		Biological Indicators				Instruments				Continuous Monitoring				Total
Revenues		$	6,417			$	7,685			$	2,298			$	16,400
Gross profit		$	3,784			$	4,927			$	994			$	9,705
Selling expenses			404				992				667				2,063
		$	3,380			$	3,935				327				7,642
Reconciling items (1)															(4,749	)
Earnings before income taxes														$	2,893

Reconciliation of Assets from Segment to Consolidated [Table Text Block]

		June 30, 2015				March 31, 2015
Total assets
Biological Indicators		$	37,384			$	36,304
Instruments			43,636				44,401
Continuous Monitoring			30,931				31,558
Corporate and administrative			5,238				5,057
		$	117,189			$	117,320

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

		Three Months Ended
		June 30,
		2015				2014
Net revenues from unaffiliated customers:
United States		$	12,194			$	8,491
Foreign			5,964				7,909
		$	18,158			$	16,400

X

- Definition

Tabular disclosure of all significant reconciling items in the reconciliation of total assets from reportable segments to the entity's consolidated assets.

+ References

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-Publisher FASB



-Name Accounting Standards Codification



-Topic 280



-SubTopic 10



-Section 50



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+ References

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-Publisher FASB



-Name Accounting Standards Codification



-Topic 225



-SubTopic 10



-Section S99



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- Definition

Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



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