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Note 13 - Segment and Geographic Information - Total Long-lived Assets by Geographic Distribution (Details) - USD ($) | May 31, 2022 | Aug. 31, 2021
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Total long-lived assets | $ 12,789,072 | $ 12,531,031
CHINA |  |
Total long-lived assets | 5,528,663 | 5,110,071
Other Countries [Member] |  |
Total long-lived assets | 617,674 | 453,199
UNITED STATES |  |
Total long-lived assets | $ 6,642,735 | $ 6,967,761

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- Definition Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e9038-108599 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_StatementGeographicalAxis=country_US
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |