Pro-Tech Acquisition (Details 1)	Jul. 31, 2018 USD ($)
Business Combinations [Abstract]
Cash and cash equivalents	$ 203,883
Accounts receivable	264,078
Inventories	54,364
Property and equipment	678,361
Deferred tax liability	(87,470)
Other assets and liabilities, net	(44,311)
Net tangible assets acquired	$ 1,068,905

Amount of currency on hand as well as demand deposits with banks or financial institutions, acquired at the acquisition date. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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- Definition

Amount due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date.

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- Definition

Amount of deferred tax liability attributable to taxable temporary differences assumed at the acquisition date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 45
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=116821951&loc=d3e31917-109318

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=116869197&loc=d3e4845-128472

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- Definition

The amount of inventory recognized as of the acquisition date.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
-Section 50
-Paragraph 1
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- Definition

The amount of property, plant, and equipment recognized as of the acquisition date.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
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- Definition

Amount of other assets and liabilities as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.

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No definition available.

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- Definition

Amount of tangible assets as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.

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No definition available.

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