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v3.23.1

Note 16 - Related Party Transactions (Tables) | 3 Months Ended
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Mar. 31, 2023
Notes Tables |
Schedule of Related Party Transactions [Table Text Block] |
|  | Three Months Ended March 31, |
|  | 2023 |  |  | 2022 |
Related party revenue: |  |  |  |  |  |  |  |
NeutroPhase |  | $ | — |  |  | $ | 148 |
Total related party revenue |  | $ | — |  |  | $ | 148 |
Cost of goods sold: |  |  |  |  |  |  |  |
NeutroPhase |  | $ | — |  |  | $ | (134 | )
Total related party expenses |  | $ | — |  |  | $ | (134 | )

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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
Name: | us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock
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