Note 14 - Segment Information (Tables)

12 Months Ended

Dec. 31, 2015

Notes Tables

Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block]

	2015		2014		2013
	(In thousands)
Revenue:
United States	$	97,097	$	92,270	$	85,863
Canada		5,246		6,567		6,727
Total	$	102,343	$	98,837	$	92,590
Long-lived assets:
United States	$	70,624	$	73,328	$	71,139
Canada		2,364		2,994		3,383
Total	$	72,988	$	76,322	$	74,522
Total assets:
United States	$	116,530	$	115,730	$	98,074
Canada		12,569		13,780		13,014
Total	$	129,099	$	129,510	$	111,088