Note 5 - Prepaid Expenses And Other Current Assets (Tables)

12 Months Ended

May 31, 2013

Disclosure Text Block Supplement [Abstract]

Schedule of Other Assets [Table Text Block]

	As of May 31
	2013		2012
Income tax prepayments	$	4,899		5,608
Prepaid expenses		4,805		5,357
Other receivables		1,873		773
Prepaid expenses and other current assets	$	11,577		11,738