v3.26.1
Note 7 - Marketable Securities - Fair Value of Available for Sale Marketable Securities (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Adjusted Cost $ 20,570 $ 20,817
Unrealized Gains 1 26
Unrealized Losses (9) 0
Fair Value 20,562 20,843
US Treasury Securities [Member] | Fair Value, Inputs, Level 2 [Member]    
Adjusted Cost 20,570 20,817
Unrealized Gains 1 26
Unrealized Losses (9) 0
Fair Value $ 20,562 $ 20,843