Number of active joint venture arrangements in which the company participates, either directly or indirectly.

No definition available.

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- Definition

Amount of allowance for credit loss on accounts receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 13
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
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-Publisher FASB
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
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-Section 45
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- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
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- Definition

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

+ References

No definition available.

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- Definition

The number of countries in which the entity operates as of balance sheet date.

+ References

No definition available.

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- Definition

Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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Note 1 - Nature of Business and Significant Accounting Policies (Details Textual)	12 Months Ended
	Aug. 31, 2021 USD ($)	Sep. 01, 2021	Aug. 31, 2020 USD ($)
Number of Countries in which Entity Operates	65
Number of Operating Segments	2
Number of Joint Venture Arrangements	18
Accounts Receivable, Allowance for Credit Loss, Ending Balance	$ 382,000		$ 90,000
Subsequent Event [Member] \| Acquisition of Remaining Ownership Interest in Harita-NTI Limited [Member]
Business Acquisition, Percentage of Voting Interests Acquired		50.00%
Natur-Tech India [Member]
Noncontrolling Interest, Ownership Percentage by Parent	75.00%
Natur Tec Lanka [Member]
Noncontrolling Interest, Ownership Percentage by Parent	75.00%
Zerust Brazil [Member]
Noncontrolling Interest, Ownership Percentage by Parent	85.00%
NTI Asean LLC [Member]
Noncontrolling Interest, Ownership Percentage by Parent	60.00%
Zerust Singapore Pte Ltd [Member]
Noncontrolling Interest, Ownership Percentage by Parent	60.00%
Zerust Vietnam Co. Ltd [Member]
Noncontrolling Interest, Ownership Percentage by Parent	60.00%
Maximum [Member] \| Various Joint Ventures [Member]
Noncontrolling Interest, Ownership Percentage by Parent	50.00%