Quarterly report pursuant to Section 13 or 15(d)

License Agreements - Additional Information (Detail)

v3.5.0.2
License Agreements - Additional Information (Detail)
$ in Thousands
3 Months Ended 12 Months Ended
Aug. 31, 2016
USD ($)
Aug. 31, 2016
GBP (£)
May 31, 2016
USD ($)
May 31, 2016
GBP (£)
Jun. 30, 2016
USD ($)
Jun. 30, 2016
GBP (£)
Commitments and Contingencies [Line Items]            
License agreement, additional expense accrued     $ 870 £ 600,000    
Maximum contingent payment         $ 807 £ 600,000
Annual license fee $ 432 £ 300,000