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Note 14 - Operating Leases (Details Textual) - USD ($) | 3 Months Ended | 6 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
May 31, 2020 | May 31, 2020 | Feb. 29, 2020 | Dec. 01, 2019 | Nov. 30, 2019
Operating Lease, Right-of-Use Asset | $ 32,072 | $ 32,072 |  | $ 34,316 |
Operating Lease, Liability, Current | 9,297 | 9,297 |  |  |
Operating Lease, Liability, Noncurrent | 22,775 | 22,775 |  |  |
Lease, Cost, Total | $ 5,481 | $ 13,632 |  |  |
Operating Lease, Weighted Average Remaining Lease Term (Month) | 3 years 90 days | 3 years 90 days |  |  |
Operating Lease, Weighted Average Discount Rate, Percent | 5.50% | 5.50% |  |  |
Other Assets [Member] |  |  |  |  |
Operating Lease, Right-of-Use Asset | $ 32,072 | $ 32,072 |  |  |
Accrued Expenses [Member] |  |  |  |  |
Operating Lease, Liability, Current | $ 9,297 | $ 9,297 |  |  |
Minimum [Member] |  |  |  |  |
Lessee, Operating Lease, Term of Contract (Month) |  |  | 1 year |  |
Maximum [Member] |  |  |  |  |
Lessee, Operating Lease, Term of Contract (Month) |  |  | 5 years |  |

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- Definition Amount of lease cost recognized by lessee for lease contract. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918686-209980 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 55 -Paragraph 53 -URI http://asc.fasb.org/extlink&oid=121568110&loc=SL77918982-209971 + Details
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- Definition Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918673-209980 + Details
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- Definition Present value of lessee's discounted obligation for lease payments from operating lease, classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918627-209977 + Details
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- Definition Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918627-209977 + Details
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- Definition Amount of lessee's right to use underlying asset under operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918627-209977 + Details
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