Equipment and Improvements (Details) - USD ($)	3 Months Ended	12 Months Ended
Oct. 31, 2018	Jul. 31, 2018
Property, Plant and Equipment [Abstract]
Furniture and fixtures	$ 71,513	$ 71,513
Machinery and equipment	197,099	195,813
Transportation equipment	11,293	11,293
Building improvements	4,456	4,456
Total building and equipment	284,361	283,075
Less accumulated depreciation and amortization	241,896	237,945
Total building and equipement less depreciation	42,465	45,130
Depreciation and amortization expense	$ 3,951	$ 15,802

The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585

Name:	us-gaap_DepreciationAndAmortization
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration