v3.26.1
Note 4 - Revenues (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Contract with Customer, Liability, Noncurrent $ 0   $ 0   $ 0
Contract With Customer, Liability, Revenue Recognized During Period 0 $ 400 0 $ 400  
Contract with Customer, Asset, after Allowance for Credit Loss $ 0   $ 0   $ 0