v3.26.1
Note 4 - Cost of Construction and Constructed Assets (Details Textual) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Depreciation $ 1.7 $ 1.2 $ 3.2 $ 2.0