Note 1 - Summary of Significant Accounting Policies (Details Textual) - USD ($) |
Sep. 30, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Factored Receivable Unpaid Principal Balance, Excluding Accrued Interest | $ 4,200,000 | $ 6,700,000 |
| Factored Receivable, Customer Reserves | $ 836,000 | $ 1,500,000 |