Note 12 - Other Income (Expense), Net (Tables)

3 Months Ended

Mar. 31, 2020

Notes Tables

Schedule of Other Nonoperating Income (Expense) [Table Text Block]

	Three Months Ended March 31,
	2020			2019
Interest income	$	2,374		$	1,696
Amortization of premium on available-for-sale securities		(494	)		(121	)
Gain (loss) on deferred compensation plan investments		(3,750	)		1,935
Foreign currency exchange gain (loss)		3			(201	)
Other		153			32
Total	$	(1,714	)	$	3,341