Commitments (Details Narrative)	9 Months Ended
Feb. 28, 2018 USD ($)
Commitments for acquisition of production equipment	$ 702,508
March, 2018 [Member]
Commitments for acquisition of production equipment	$ 2,300,000

The cash outflow for acquisition of machinery and equipment.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3213-108585

Name:	us-gaap_PaymentsToAcquireMachineryAndEquipment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration