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OPERATIONS AND MANAGEMENT PLANS (Details Narrative 1) - USD ($) |  | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Jan. 19, 2021 | May 31, 2021 | May 31, 2020 | May 31, 2021 | May 31, 2020 | Nov. 30, 2020 | Nov. 30, 2019
Nature of operations and going concern [Abstract] |  |  |  |  |  |  |
Cumulative loss |  | $ (48,450,000) |  | $ (48,450,000) |  | $ (50,215,000) | $ (37,662,123)
Amount raised from warrant exercises |  |  |  | 1,217,000 | $ 3,218,000 | 7,223,979 |
Revenue |  | $ 13,401,000 | $ 1,190,000 | 22,294,000 | 1,339,000 | 16,566,295 | 924,419
NET CASH USED IN OPERATING ACTIVITIES |  |  |  | $ (2,864,000) | $ (1,617,000) | 2,537,755 | $ (3,772,234)
Sales increased |  |  |  |  |  | 15,600,000 |
Cash and restricted cash |  |  |  |  |  | $ 8,500,000 |
Description of revolving line of credit | The Company entered into a $5,000,000 revolving line of credit, secured by the Company’s accounts receivable and inventory and another $1,500,000 line of credit |  |  |  |  |  |

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- Definition The increase (decrease) during the reporting period in the value of loans or securitized loans that are held with the intention to sell in the near future. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 21 -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3461-108585 + Details
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