Inventory - Schedule of Inventory (Details) - USD ($)	May 31, 2019	May 31, 2018
Inventory Disclosure [Abstract]
Raw materials	$ 1,295,991	$ 864,339
Finished pallets	1,325,000	2,224,928
Total Inventory	$ 2,620,991	$ 3,089,267

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Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.6(a)(1))
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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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-Publisher FASB
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Amount before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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