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Financial instruments (Details Narrative) - USD ($) $ in Thousands |  | 1 Months Ended |
--- | --- | --- | ---
May 15, 2020 | Feb. 28, 2021 | May 29, 2020 | Dec. 31, 2020
Cash, insured amount |  |  |  | $ 500
Accounts payable and accrued liabilities |  |  |  | 2,300
Notes payable current portion |  |  |  | 500
Proceeds from shares issued | $ 4,680 | $ 15,200 |  |
Maximum [Member] |  |  |  |
Proceeds from shares issued | $ 100,000 |  |  |
Credit Concentration Risk [Member] |  |  |  |
Cash, insured amount |  |  |  | $ 11,600
NYSE American LLC [Member] |  |  |  |
Proceeds from shares issued |  |  | $ 10,000,000 |

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