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v3.23.2

Note 4 - Prepaid Expenses and Other Current Assets (Tables) | 6 Months Ended
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Jun. 30, 2023
Notes Tables |
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block] |
|  | June 30, |  |  | December 31, |
|  | 2023 |  |  | 2022 |
Prepaid inventory |  | $ | 107 |  |  | $ | 211 |
Prepaid insurance |  |  | 102 |  |  |  | 146 |
Prepaid dues and subscriptions |  |  | 65 |  |  |  | 43 |
Prepaid marketing costs |  |  | 47 |  |  |  | 24 |
Prepaid patents |  |  | 1 |  |  |  | 12 |
Tenant allowance |  |  | — |  |  |  | 11 |
Other |  |  | 197 |  |  |  | 113 |
Total prepaid expenses and other current assets |  | $ | 519 |  |  | $ | 560 |

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- Definition Tabular disclosure of the amounts paid in advance for capitalized costs that will be expensed with the passage of time or the occurrence of a triggering event, and will be charged against earnings within one year or the normal operating cycle, if longer; the aggregate carrying amount of current assets, not separately presented elsewhere in the balance sheet; and other deferred costs. + References No definition available. + Details
Name: | us-gaap_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureTextBlock
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