Note 4 - Accounts Receivable - Summary of Accounts Receivable (Details) - USD ($) |
Sep. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Accounts receivable | $ 2,492,155 | $ 1,604,075 |
| Allowance for credit losses | (137,220) | (383,253) |
| Accounts receivable, net of allowances for credit losses | $ 2,354,935 | $ 1,220,822 |
| 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
|
| 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
|