v3.26.1
Note 7 - Marketable Securities - Fair Value of Available for Sale Marketable Securities (Details) - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Adjusted Cost $ 17,778 $ 20,817
Unrealized Gains 10 26
Unrealized Losses (1) 0
Fair Value 17,787 20,843
US Treasury Securities [Member] | Fair Value, Inputs, Level 2 [Member]    
Adjusted Cost 17,778 20,817
Unrealized Gains 10 26
Unrealized Losses (1) 0
Fair Value $ 17,787 $ 20,843