Commitments and Contingencies (Tables)

12 Months Ended

May 31, 2016

Commitments and Contingencies Disclosure [Abstract]

Summary of Minimum Future Payment Due Under Lease

Minimum payments over the next five years under these leases as of May 31, 2016, exclusive of property taxes and insurance, are as follows:

Year ending May 31,	Minimum Payments
2017	$	706
2018	449
2019	258
2020	111
2021	—
	$	1,524