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Acquisition (Tables)
9 Months Ended
Feb. 29, 2016
Acquisition (Tables) [Abstract]  
Schedule of Purchase Price Allocation
Current assets $ 344
Property and equipment   113
Goodwill   1,194
Intangible assets    69
Other non-current assets   25
Current liabilities   (244)
Long-term liabilities   (56)
Total purchase price $ 1,445