Note 17 - Segment and Geographic Information (Tables)

9 Months Ended

Feb. 29, 2016

Notes Tables

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

	Three Months Ended				Nine Months Ended
	February 29		February 28		February 29		February 28
	2016		2015		2016		2015
Net sales by product group:
Transfusion	$	73,589		79,929		235,296		247,950
Transplant & Molecular		15,304		15,676		46,558		46,373
Total	$	88,893		95,605		281,854		294,323

Revenue from External Customers by Products and Services [Table Text Block]

	Three Months Ended				Nine Months Ended
	February 29		February 28		February 29		February 28
	2016		2015		2016		2015
Net sales to customers by geography are as follows:
United States	$	57,435		60,205		179,878		179,679
Europe (A)		16,609		18,313		52,517		59,882
Canada		3,233		4,598		11,084		14,200
Other		11,616		12,489		38,375		40,562
Total	$	88,893		95,605		281,854		294,323

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

	As of
	February 29, 2016		May 31, 2015
Long-lived assets (excluding goodwill and intangibles) by geography:
United States	$	52,806		52,764
Europe (B)		14,059		14,542
Canada		3,483		4,029
Other (C)		2,440		2,239
Total	$	72,788		73,574

	As of
	February 29, 2016		May 31, 2015
Concentration of net assets by geography:
United States	$	218,636		241,522
Europe		99,135		100,071
Canada		26,274		30,274
Other (C)		12,577		11,814
Total	$	356,622		383,681