Related Party Transactions/Activity (Details Narrative) - USD ($)	3 Months Ended
Aug. 31, 2018	Aug. 31, 2017
Future minimum payments under operating lease 2019	$ 2,456,000
Future minimum payments under operating lease 2020	1,156,000
Future minimum payments under operating lease 2021	1,156,000
Future minimum payments under operating lease 2022	1,156,000
Green Plastic Pallets [Member]
Pallet sales	55,080	$ 36,750
Account receivable	55,080
Fiscal Year 2019 [Member]
Rent expense	12,000
Fiscal Year 2018 [Member]
Rent expense		12,000
Yorktown Management & Financial Services, LLC [Member]
Payments of rental fees	357,500	357,500
Rent expense	4,000
Future minimum payments under operating lease 2019	48,000
Future minimum payments under operating lease 2020	48,000
Future minimum payments under operating lease 2021	48,000
Future minimum payments under operating lease 2022	16,000
Trienda Holdings, LLC [Member]
Material purchase amount	41,975	$ 40,917
Accounts payable	41,975
Yorktown's Grinding Equipment [Member]
Payments of rental fees	22,500
Yorktown's Pelletizing Equipment [Member]
Payments of rental fees	$ 5,000

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business.

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