Note 4 - Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2024

Notes Tables

Fair Value, Assets Measured on Recurring Basis [Table Text Block]

			Active Markets		Significant Other		Significant
			for Identical Assets		Observable Inputs		Unobservable Inputs
	December 31, 2024		(Level 1)		(Level 2)		(Level 3)		Amortized Cost
Cash equivalents:
Money Market Funds	$	46,061	$	46,061	$	-	$	-	$	46,061

			Active Markets		Significant Other		Significant
			for Identical Assets		Observable Inputs		Unobservable Inputs
	December 31, 2023		(Level 1)		(Level 2)		(Level 3)		Amortized Cost
Cash equivalents:
Money Market Funds	$	55,485	$	55,485	$	-	$	-	$	55,485