Note 6 - Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2019

Notes Tables

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

	Total			Level 1		Level 2			Level 3
As of June 30, 2019
Financial assets:
Deferred compensation plan	$	5,265		$	4,463	$	802		$	-
Financial liabilities:
Foreign currency forward contracts	$	(27	)	$	-	$	(27	)	$	-
As of December 31, 2018
Financial assets:
Deferred compensation plan	$	4,719		$	3,925	$	794		$	-
Foreign currency forward contracts		101			-		101			-
Total financial assets	$	4,820		$	3,925	$	895		$	-