| Interest Expense Disclosure [Table Text Block] |
| | | 2021 | | | 2020 | | | GRA Note | | $ | 633 | | | $ | 1,727 | | | PPP Loan | | | 653 | | | | 1,203 | | | Insurance premium financing costs | | | - | | | | 1,743 | | | Convertible debentures (including $124,185 of debt discount amortization) | | | - | | | | 138,851 | | | Total interest expense | | $ | 1,286 | | | $ | 143,524 | | |