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Note 3 - Business Combination (Details Textual) - USD ($) |  | 2 Months Ended | 3 Months Ended |  |
--- | --- | --- | --- | --- | ---
Sep. 01, 2021 | Nov. 30, 2021 | Nov. 30, 2021 | Nov. 30, 2020 | Aug. 31, 2021 | Aug. 30, 2021
Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Gain (Loss), Net, Total |  | $ 3,951,550 | $ 3,951,550 | $ 0 |  |
Revenues, Total |  |  | 18,193,413 | 12,779,112 |  |
Revolving Credit Facility [Member] | PNC Bank [Member] |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 5,000,000.0 | $ 5,000,000 | 5,000,000 |  | $ 5,000,000 | $ 3,000,000
Harita-NTI Limited [Member] |  |  |  |  |  |
Business Acquisition, Percentage of Voting Interests Acquired | 50.00% |  |  |  |  |
Business Combination, Consideration Transferred, Total | $ 6,250,000 |  |  |  |  |
Business Combination, Step Acquisition, Equity Interest in Acquiree, Percentage | 50.00% |  |  |  |  |
Business Combination, Step Acquisition, Equity Interest in Acquiree, including Subsequent Acquisition, Percentage, Total | 100.00% |  |  |  |  |
Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Gain (Loss), Net, Total | $ 3,951,550 |  | 3,951,550 |  |  |
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual |  |  | 2,452,812 |  |  |
Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual |  |  | 292,528 |  |  |
Business Combination, Acquisition Related Costs |  |  | $ 50,000 |  |  |
Business Acquisition, Pro Forma Revenue |  |  |  | $ 14,806,403 |  |
Harita-NTI Limited [Member] | Customer Relationships [Member] |  |  |  |  |  |
Acquired Finite-lived Intangible Assets, Weighted Average Discount Rate | 15.30% |  |  |  |  |
Harita-NTI Limited [Member] | Customer Relationships and Assembled Workforce [Member] |  |  |  |  |  |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life (Year) | 15 years |  |  |  |  |

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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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- Definition The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(2) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(3) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
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- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=116859721&loc=d3e6613-128477 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120321790&loc=d3e6927-128479 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=116859721&loc=d3e6578-128477 + Details
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- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. 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