Note 10 - Deferred Revenue

12 Months Ended

May 31, 2013

Deferred Revenue Disclosure [Abstract]

Deferred Revenue Disclosure [Text Block]

10.  DEFERRED REVENUE

The additions to and recognition of deferred revenue for the year ended May 31, 2013 and 2012 were as follows (in thousands):

	For the Years Ended May 31
	2013			2012
Balance at beginning of year	$	3,037			13,575
Revenue recognized prior to the Immucor Acquisition		-			(936	)
Fair value adjustments relating to the Immucor Acquisition		-			(8,532	)
Additions to deferred revenue from new contracts		7,843			7,621
Revenue recognized during the year		(8,496	)		(8,518	)
Foreign currency translation adjustment		29			(173	)
Balance at end of year		2,413			3,037
Less current portion		(2,252	)		(2,606	)
Deferred revenue, net of current portion	$	161			431