Note 15 - Segment and Geographic Information (Tables)

6 Months Ended

Nov. 30, 2012

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

	Quarter Ended November 30, 2012		Quarter Ended November 30, 2011
Sales by product group
Traditional reagents	$	45,996	$	47,696
Capture reagents		20,799		22,393
Instruments		13,567		11,458
Molecular immunohematology		1,694		1,488
Net sales	$	82,056	$	83,035

			Successor		Predecessor
	Six Months Ended November 30, 2012		August 20, 2011 Through November 30, 2011		June 1, 2011 Through August 19, 2011
Sales by product group
Traditional reagents	$	93,042	$	53,991	$	42,936
Capture reagents		45,112		25,648		21,239
Instruments		25,777		13,077		9,457
Molecular immunohematology		3,279		1,709		1,278
Net sales	$	167,210	$	94,425	$	74,910

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

	For the Quarter Ended November 30, 2012
	U.S.		Europe		Other		Elims			Consolidated
Sales:
Unaffiliated customers	$	56,069	$	17,229	$	8,758	$	-		$	82,056
Affiliates		6,847		4,317		79		(11,243	)		-
Net Sales	$	62,916	$	21,546	$	8,837	$	(11,243	)	$	82,056
Income from operations	$	5,629	$	2,158	$	512	$	-		$	8,299

	For the Quarter Ended November 30, 2011
	U.S.			Europe			Other		Elims			Consolidated
Sales:
Unaffiliated customers	$	56,465		$	18,249		$	8,321	$	-		$	83,035
Affiliates		4,052			3,790			124		(7,966	)		-
Net Sales	$	60,517		$	22,039		$	8,445	$	(7,966	)	$	83,035
(Loss) income from operations	$	(23,849	)	$	(1,287	)	$	423	$	-		$	(24,713	)

	For the Six Months Ended November 30, 2012
	U.S.		Europe		Other		Elims			Consolidated
Sales:
Unaffiliated customers	$	115,615	$	33,561	$	18,034	$	-		$	167,210
Affiliates		13,246		8,190		204		(21,640	)		-
Net Sales	$	128,861	$	41,751	$	18,238	$	(21,640	)	$	167,210
Income (loss) from operations	$	15,594	$	4,557	$	2,090	$	-		$	22,241

	Successor
	August 20, 2011 through November 30, 2011
	U.S.			Europe			Other		Elims			Consolidated
Sales:
Unaffiliated customers	$	63,995		$	20,943		$	9,487	$	-		$	94,425
Affiliates		4,426			4,300			124		(8,850	)		-
Net Sales	$	68,421		$	25,243		$	9,611	$	(8,850	)	$	94,425
(Loss) income from operations	$	(24,668	)	$	(1,056	)	$	459	$	-		$	(25,265	)

	Predecessor
	June 1, 2011 through August 19, 2011
	U.S.			Europe		Other		Elims			Consolidated
Sales:
Unaffiliated customers	$	52,364		$	15,100	$	7,446	$	-		$	74,910
Affiliates		3,679			3,992		110		(7,781	)		-
Net Sales	$	56,043		$	19,092	$	7,556	$	(7,781	)	$	74,910
(Loss) income from operations	$	(10,298	)	$	1,619	$	2,171	$	-		$	(6,508	)

Export Sales to Unaffiliated Customers [Table Text Block]

	Quarter Ended Ended November 30, 2012		Quarter Ended Ended November 30, 2011
United States	$	2,347	$	1,593
Europe		2,030		1,962
Other		812		574
Total net export sales	$	5,189	$	4,129

			Successor		Predecessor
	Six Months Ended November 30, 2012		August 20, 2011 through November 30, 2011		June 1, 2011 through August 19, 2011
United States	$	5,888	$	1,751	$	1,417
Europe		3,492		2,181		964
Other		1,640		633		526
Total net export sales	$	11,020	$	4,565	$	2,907