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Note 12 - Related Party Transactions (Tables) | 12 Months Ended
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Dec. 31, 2021
Notes Tables |
Schedule of Related Party Transactions [Table Text Block] |
Name of related party |  |  | December 31, 2021 |  |  | December 31, 2020 |
MHW | Promissory notes payable |  | $ | 945 |  |  | $ | 945 |
| Discount on notes payable |  |  | (11 | ) |  |  | (32 | )
|  |  |  | 934 |  |  |  | 913 |
| Accrued interest outstanding |  |  | 268 |  |  |  | 221 |
MHW Partners | Promissory notes payable |  | $ | 650 |  |  | $ | 650 |
| Discount on notes payable |  |  | (11 | ) |  |  | (33 | )
|  |  |  | 639 |  |  |  | 617 |
| Accrued interest outstanding |  |  | 182 |  |  |  | 149 |
Related party transactions: (in ’000’s) |  | Years Ended December 31, |
|  | 2021 |  |  | 2020 |
Interest expense: |  |  |  |  |  |  |  |
MHW |  | $ | 143 |  |  | $ | 136 |
MHW Partners |  |  | 98 |  |  |  | 93 |

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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_
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Balance Type: | na
Period Type: | duration

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