For an unclassified balance sheet, amount of receivables arising from transactions with related parties.

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Amount of lease cost recognized by lessee for lease contract.

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Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Term of lessor's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Cash payments to lessor's for use of assets under operating leases.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Purchases during the period (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

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Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise.

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Related Party Transactions/Activity (Details Narrative) - USD ($)		9 Months Ended
	Jan. 01, 2017	Feb. 29, 2020	Feb. 28, 2019
Related Party Transaction [Line Items]
Rent expense		$ 2,279,827	$ 2,185,022
Future minimum payments under operating lease 2021		81,881
Future minimum payments under operating lease 2022		73,881
Non-Cancelable Operating Lease [Member]
Related Party Transaction [Line Items]
Future minimum payments under operating lease 2021		48,000
Future minimum payments under operating lease 2022		40,000
Office Space [Member]
Related Party Transaction [Line Items]
Rent expense		$ 36,000	36,000
Lease term		90 months
Monthly [Member] \| Office Space [Member]
Related Party Transaction [Line Items]
Rent expense	$ 4,000
Lease term	5 years
Yorktown's Grinding and Pelletizing Equipment [Member]
Related Party Transaction [Line Items]
Rent expense		$ 1,072,500	1,072,500
Yorktown's Grinding and Pelletizing Equipment [Member] \| Weekly [Member]
Related Party Transaction [Line Items]
Payments of rental fees		27,500
TriEnda Holdings, L.L.C [Member]
Related Party Transaction [Line Items]
Related party transaction purchases		5,400	42,349
Green Plastic Pallets [Member]
Related Party Transaction [Line Items]
Revenue from goods		393,720	$ 167,400
Account receivable		$ 122,400