Note 8 - Accounts and Other Receivables and Concentrations of Credit Risk - Accounts and Other Receivables (Details) - USD ($) |
Dec. 31, 2019 |
Dec. 31, 2018 |
|---|---|---|
| Accounts and other receivables | $ 901,339 | $ 21,151 |
| Stock Subscriptions [Member] | ||
| Accounts and other receivables | 811,946 | |
| Grant Revenue Receivable [Member] | ||
| Accounts and other receivables | 84,366 | 3,905 |
| Trade Accounts Receivable [Member] | ||
| Accounts and other receivables | 12,378 | |
| Other Accounts Receivable [Member] | ||
| Accounts and other receivables | $ 5,027 | $ 4,868 |
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- Definition Amount, after allowance, receivable from customers, clients, or other third-parties, and receivables classified as other due within one year or the normal operating cycle, if longer. No definition available.
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