Note 3 - Supplemental Cash Flow Information

12 Months Ended

Dec. 31, 2018

Notes to Financial Statements

Cash Flow, Supplemental Disclosures [Text Block]

( 3 ) Supplemental Cash Flow Information

	Years Ended December 31,
	2018		2017		2016
	(in thousands)
Cash paid for:
Interest	$	1,303	$	47	$	66
Income taxes, net of refunds	$	3,463	$	3,878	$	3,562
Non-cash investing and financing activities:
Capital additions accrued but not yet paid	$	218	$	85	$	87

During the years ended

December 31, 2018,

2017

and

2016,

the Company permitted the exercise of stock options with exercise proceeds paid with the Company’s stock (“cashless” exercises) totaling approximately

$0,

$172,000,

and

$166,000,

respectively.