Note 7 - Revenue and Accounts Receivable (Details Textual) - USD ($) |
Jun. 30, 2026 |
Dec. 31, 2025 |
Jan. 01, 2025 |
|---|---|---|---|
| Accounts Receivable, after Allowance for Credit Loss | $ 2,300,000 | $ 500,000 | $ 1,800,000 |
| Accounts Receivable, Allowance for Credit Loss | 72,400 | $ 385,000 | |
| Contract with Customer, Liability | $ 0 |
| X | ||||||||||
- Definition Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of allowance for credit loss on accounts receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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