Note 7 - Marketable Securities - Fair Value of Available for Sale Marketable Securities (Details) - USD ($) $ in Thousands	Sep. 30, 2026	Dec. 31, 2025
Adjusted Cost	$ 56,185	$ 20,817
Unrealized Gains	40	26
Unrealized Losses	(28)	0
Fair Value	56,197	20,843
US Treasury Securities [Member] \| Fair Value, Inputs, Level 2 [Member]
Adjusted Cost	56,185	20,817
Unrealized Gains	40	26
Unrealized Losses	(28)	0
Fair Value	$ 56,197	$ 20,843

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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+ Details

- Definition

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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+ Details