Note 8 - Revenue Recognition (Details Textual) - USD ($) |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Contract with Customer, Liability, Current | $ 380,810 | $ 388,931 |
| Accounts Receivable, after Allowance for Credit Loss, Current | 1,249,964 | $ 1,418,235 |
| Accounts Receivable, Allowance for Credit Loss, Current | $ 13,000 |
| 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, classified as current. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- 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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| X | ||||||||||
- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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