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

12 Months Ended

May 31, 2014

Disclosure Text Block Supplement [Abstract]

Schedule of Other Assets [Table Text Block]

	As of May 31
	2014		2013
Income tax prepayments	$	5,736		4,899
Prepaid expenses		5,677		4,805
Other receivables		1,169		1,873
Prepaid expenses and other current assets	$	12,582		11,577