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Note 11 - Segment and Geographic Information - Total Long-lived Assets by Geographic Distribution (Details) - USD ($) | Aug. 31, 2019 | Aug. 31, 2018
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Total long-lived assets | $ 7,358,159 | $ 7,168,826
CHINA |  |
Total long-lived assets | 337,162 | 205,490
Other Countries [Member] |  |
Total long-lived assets | 178,087 | 100,955
UNITED STATES |  |
Total long-lived assets | $ 6,842,910 | $ 6,862,381

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=115929826&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
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Balance Type: |
Period Type: |

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