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Prepaid Expenses and Other (Details) (USD $) In Thousands, unless otherwise specified	May 31, 2014	May 31, 2013
Prepaid expenses and other
Deposits	$ 3,356	$ 4,029
Other prepaid taxes	202	458
Licensee fees	604	597
Software licenses	130	520
Trade shows	62	487
Rent	114	135
Insurance	395	120
Interest receivable	1	2
Other	1,111	1,206
Total	5,975	7,554
Prepaid income taxes	$ 510	$ 563

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