Note 2 - Summary of Significant Accounting Policies - Accounts Receivable (Details) - USD ($) $ in Thousands |
Mar. 31, 2026 |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|---|
| Accounts receivable | $ 33,877 | $ 27,006 | |
| Less allowance for credit losses | 0 | 0 | $ (411) |
| Accounts receivable, net | 33,877 | 27,006 | |
| Trade Accounts Receivable [Member] | |||
| Accounts receivable | 22,501 | 17,774 | |
| Unbilled [Member] | |||
| Accounts receivable | 11,023 | 8,841 | |
| Non-Trade [Member] | |||
| Accounts receivable | $ 353 | $ 391 |
| X | ||||||||||
- Definition Amount, before allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of allowance for credit loss on accounts receivable, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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