Stock Options (Detail Textuals)	3 Months Ended
Nov. 30, 2019 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Term of expiration	5 years
Directors Officers Employees And Consultants
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options available for grant	7,838,713
2007 Equity incentive plan \| Employees And Directors
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options available for grant	412,500
2014 Stock Option Plan \| Directors Officers Employees And Consultants
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options available for grant	2,107,500
2010 Stock Option Plan \| Officers And Employees
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options available for grant	1,512,500
Stock Options 1
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of options vested on grant	50,000
Stock Options 2
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of options vested on grant	250,000

Describe the approximate term of stock options expired.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Number of fully vested and expected to vest exercisable options that may be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (e)(2)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

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- Definition

The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)-(ii)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

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