Note 2 - Revenue Recognition - Schedule of Assets and Liabilities for Contracts with Customers (Details) - USD ($) |
Jun. 30, 2026 |
Jan. 01, 2026 |
Dec. 31, 2025 |
Jan. 01, 2025 |
|---|---|---|---|---|
| Accounts receivable, net - beginning balance | $ 2,266,631 | $ 2,042,185 | $ 2,042,185 | $ 1,567,927 |
| Contract assets - beginning balance | 1,373,166 | 1,375,406 | 1,375,406 | 1,419,660 |
| Contract liabilities - beginning balance | $ 346,554 | $ 380,910 | $ 380,910 | $ 363,818 |
| 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, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time. 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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