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Note 9 - Geographic Information and Major Customer Data - Major Customers Data As Percentage of Total Revenues (Details) - Customer Concentration Risk [Member] | 3 Months Ended | 9 Months Ended | 12 Months Ended
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Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2024
Revenue from Contract with Customer Benchmark [Member] | Customer A [Member] |  |  |  |  |
Concentration risk, percentage | 11.00% | 13.00% | 15.00% | 13.00% |
Revenue from Contract with Customer Benchmark [Member] | Customer B [Member] |  |  |  |  |
Concentration risk, percentage | 11.00% |  |  |  |
Revenue from Contract with Customer Benchmark [Member] | Customer C [Member] |  |  |  |  |
Concentration risk, percentage | 11.00% |  |  |  |
Revenue from Contract with Customer Benchmark [Member] | Customer D [Member] |  |  |  |  |
Concentration risk, percentage |  | 17.00% |  |  |
Accounts Receivable [Member] | Customer A [Member] |  |  |  |  |
Concentration risk, percentage |  |  | 17.00% |  | 24.00%
Accounts Receivable [Member] | Customer B [Member] |  |  |  |  |
Concentration risk, percentage |  |  |  |  | 12.00%

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