v3.22.1

Income taxes (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Income Tax Disclosure [Abstract] |  |
Computed expected benefit of income taxes | $ (1,773,096) | $ (1,242,363)
Stock-based compensation | 925,449 | 593,885
Non-deductible interest expense | 334,556 | 79,418
Expiry of tax credits | 773,050 | 929,432
True up of prior year balances | 99,348 | 1,214,608
Increase (decrease) in valuation allowance | (359,307) | (1,574,980)
Income tax provision |  |

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- Definition Amount of income (loss) from continuing operations, nonoperating income (expense) and income (loss) from equity method investments, before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of interest income (expense). + References No definition available. + Details
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