Note 2 - Summary of Significant Accounting Policies (Details Textual) - USD ($) |
6 Months Ended | ||
|---|---|---|---|
Jun. 30, 2026 |
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Accounts Receivable, after Allowance for Credit Loss, Current | $ 1,303,377 | $ 3,448,909 | $ 1,400,000 |
| Accounts Receivable, Allowance for Credit Loss, Current | 20,000.00 | 40,000.00 | 20,000.00 |
| Contract with Customer, Liability, Current | 61,958 | $ 127,874 | $ 148,054 |
| Contract with Customer, Liability, Revenue Recognized | $ 127,874 |
| 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
|
| X | ||||||||||
- Definition Amount of allowance for credit loss on accounts receivable, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| 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
|
| X | ||||||||||
- Definition Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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