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Note 17 - Commitments and Contingencies (Details) - Future Minimum Lease Commitments
$ in Thousands
May. 31, 2015
USD ($)
Future Minimum Lease Commitments [Abstract]  
2015 (remaining three months) $ 5,565
2016 21,101
2017 24,430
2018 23,277
2019 22,083
Thereafter 96,933
Total $ 193,389