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Note 19 - Subsequent Events (Details Textual) - $ / shares | Nov. 10, 2022 | Mar. 08, 2022
--- | --- | ---
Share Price (in dollars per share) |  | $ 2.23
Subsequent Event [Member] |  |
Share Price (in dollars per share) | $ 1.43 |
Subsequent Event [Member] | Director [Member] |  |
Shares Issued, Shares, Share-Based Payment Arrangement, before Forfeiture (in shares) | 12,590 |

X
- Definition Price of a single share of a number of saleable stocks of a company. + References No definition available. + Details
Name: | us-gaap_SharePrice
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number, before forfeiture, of shares issued under share-based payment arrangement. Excludes employee stock ownership plan (ESOP). + References No definition available. + Details
Name: | us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_TitleOfIndividualAxis=srt_DirectorMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |