Subsequent Event	12 Months Ended
May 31, 2016
Subsequent Events [Abstract]
Subsequent Event	Note 15. SUBSEQUENT EVENT In August, 2016, Greystone entered into a three-year lease agreement with respect to certain production equipment with a total cost of approximately $5.4 million. The lease agreement includes a bargain purchase option to acquire the production equipment at the end of the lease term. The lease is for two Milacron injection molding machines and two pallet molds designed and dedicated to production of 48X40 pallets (the “Pallets”) for a specific customer. Lease payments are payable on a per invoice basis at the rate of $6.25 for each pallet shipped and produced by the leased production equipment. The lease provides for minimum monthly lease rental payment based upon the total Pallets sold in excess of a specified amount not to exceed the monthly productive capacity of the leased machines.

Subsequent Event

12 Months Ended

May 31, 2016

Note 15. SUBSEQUENT EVENT

In August, 2016, Greystone entered into a three-year lease agreement with respect to certain production equipment with a total cost of approximately $5.4 million. The lease agreement includes a bargain purchase option to acquire the production equipment at the end of the lease term. The lease is for two Milacron injection molding machines and two pallet molds designed and dedicated to production of 48X40 pallets (the “Pallets”) for a specific customer. Lease payments are payable on a per invoice basis at the rate of $6.25 for each pallet shipped and produced by the leased production equipment. The lease provides for minimum monthly lease rental payment based upon the total Pallets sold in excess of a specified amount not to exceed the monthly productive capacity of the leased machines.