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Note 11 - Related Party Transactions (Tables) | 12 Months Ended
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Dec. 31, 2022
Notes Tables |
Schedule of Related Party Transactions [Table Text Block] |
Name of related party |  |  | December 31, 2022 |  |  | December 31, 2021 |
MHW | Promissory notes payable |  | $ | - |  |  | $ | 945 |
| Discount on notes payable |  |  | - |  |  |  | (11 | )
|  |  |  | - |  |  |  | 934 |
| Accrued interest outstanding |  |  | - |  |  |  | 268 |
MHW Partners | Promissory notes payable |  | $ | - |  |  | $ | 650 |
| Discount on notes payable |  |  | - |  |  |  | (11 | )
|  |  |  | - |  |  |  | 639 |
| Accrued interest outstanding |  |  | - |  |  |  | 182 |
Related party transactions: (in ’000’s) |  | Years Ended December 31, |
|  | 2022 |  |  | 2021 |
Interest expense: |  |  |  |  |  |  |  |
MHW |  | $ | 71 |  |  | $ | 143 |
MHW Partners |  |  | 57 |  |  |  | 98 |

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- Definition Tabular disclosure of related party transactions. Examples of related party transactions include, but are not limited to, transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners and (d) affiliates. + References No definition available. + Details
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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