Note 11 - Commitments and Contingencies (Details Textual) - USD ($) $ in Millions |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Capital Budget | $ 33.1 | |
| Fiber Network Material [Member] | ||
| Purchase Obligation | $ 0.5 | |
| Purchase Obligation, to be Paid, Remainder of Fiscal Year | $ 0.5 |
| X | ||||||||||
- Definition The amount of capital budget. No definition available.
|
| X | ||||||||||
- Definition Minimum amount of purchase arrangement in which the entity has agreed to expend funds to procure goods or services from a supplier. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of purchase arrangement to be paid in remainder of current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. No definition available.
|
| X | ||||||||||
- Details
|