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Note 3 - Allowance for Credit Losses (Tables) | 12 Months Ended
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Dec. 31, 2024
Notes Tables |
Accounts Receivable, Allowance for Credit Loss [Table Text Block] |
|  | Years Ended December 31, |
|  | 2024 |  |  | 2023 |
Balance, beginning of year |  | $ | 50 |  |  | $ | 50 |
Provision for credit losses |  |  | 122 |  |  |  | — |
Uncollectible accounts written off |  |  | (122 | ) |  |  | — |
Balance, end of year |  | $ | 50 |  |  | $ | 50 |

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- Definition Tabular disclosure of allowance for credit loss on accounts receivable. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 + Details
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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