Note 1 - Organization and Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2023

Notes Tables

Property, Plant and Equipment [Table Text Block]

(in thousands)	Useful life in years			2023			2022
Property and equipment	3	-	5	$	25,382		$	23,075
Internal-use software	3	-	7		5,015			1,967
Furniture and fixtures	5	-	7		1,044			922
Building		39			324			320
Property and equipment, gross					31,765			26,284
Accumulated depreciation					(20,446	)		(14,278	)
Property and equipment, net				$	11,319		$	12,006

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

	December 31, 2023
(in thousands)	Level 1		Level 2		Level 3		Total Fair Value
Cash equivalents
Money market accounts	$	23,048	$	−	$	−	$	23,048
Marketable securities
Corporate, municipal debt and treasury securities		5,230		−		−		5,230
Total assets	$	28,278	$	−	$	−	$	28,278

	December 31, 2022
	Level 1		Level 2		Level 3		Total Fair Value
Cash equivalents
Money market accounts	$	17,496	$	−	$	−	$	17,496
Marketable securities
Corporate, municipal debt and treasury securities		4,973		−		−		4,973
Total assets	$	22,469	$	−	$	−	$	22,469