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Note 8 - Convertible Note Payable (Tables) | 12 Months Ended
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Dec. 31, 2021
Notes Tables |
Convertible Debt [Table Text Block] |
|  | December 31, 2021 |  |  | December 31, 2020 |
Convertible note |  | $ | 16,800,000 |  |  |  | - |
Less: unamortized debt issuance costs |  |  | (2,213,064 | ) |  |  | - |
Convertible note payable |  | $ | 14,586,936 |  |  | $ | - |
Current portion of convertible note payable |  |  | 8,400,000 |  |  |  | - |
Convertible note payable, less current portion |  |  | 6,186,936 |  |  |  | - |
Convertible note payable |  | $ | 14,586,936 |  |  | $ | - |

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- Definition Tabular disclosure of convertible debt instrument. Includes, but is not limited to, principal amount and amortized premium or discount. + References No definition available. + Details
Name: | us-gaap_ConvertibleDebtTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_TableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration