Note 14 - Segment Information (Tables)

12 Months Ended

Dec. 31, 2016

Notes Tables

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

	201 6		201 5		20 14
	(In thousands)
Revenue:
United States	$	104,445	$	97,097	$	92,270
Canada		4,939		5,246		6,567
Total	$	109,384	$	102,343	$	98,837
Long-lived assets:
United States	$	71,192	$	70,624	$	73,328
Canada		2,367		2,364		2,994
Total	$	73,559	$	72,988	$	76,322
Total assets:
United States	$	106,288	$	115,480	$	115,730
Canada		14,336		12,569		13,780
Total	$	120,624	$	128,049	$	129,510