Note 5 - Revenue Recognition - Schedule of Recognized Revenue Associated With Contract Liabilities (Details) - USD ($) |
9 Months Ended | |
|---|---|---|
Sep. 30, 2025 |
Sep. 30, 2024 |
|
| Balance, beginning of period | $ 1,571,480 | $ 2,055,783 |
| Recognized revenue associated with contract liabilities | (959,177) | (1,288,991) |
| Amounts collected or invoiced | 649,625 | 1,070,851 |
| Balance, end of period | $ 1,261,928 | $ 1,837,643 |
| X | ||||||||||
- Definition Amount collected or invoiced for contract with customer liability during a period of time. No definition available.
|
| X | ||||||||||
- Definition Amount of revenue recognized including amount 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. No definition available.
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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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