Capital Leases - Schedule of Production Equipment Under Non-cancelable Capital Leases (Details) - USD ($)	May 31, 2018	May 31, 2017
Leases [Abstract]
Production equipment under capital leases	$ 7,591,574	$ 5,365,889
Less: Accumulated amortization	(974,811)	(380,233)
Production equipment under capital leases, net	$ 6,616,763	$ 4,985,656

Amount before depreciation of leased long-lived, physical assets used to produce goods and services and not intended for resale meeting the criteria for capitalization, classified as other.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 10
-Section 55
-Paragraph 40
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-URI http://asc.fasb.org/extlink&oid=82846649&loc=d3e38371-112697

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 440
-SubTopic 10
-Section 25
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-URI http://asc.fasb.org/extlink&oid=77904769&loc=SL2265659-115463

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