Note 12 - Segment Information (Tables)

12 Months Ended

Dec. 31, 2013

Segment Reporting [Abstract]

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

	2013		2012		2011
	(In thousands)
Revenue:
United States	$	85,863	$	79,895	$	70,074
Canada		6,727		6,526		5,693
Total	$	92,590	$	86,421	$	75,767
Long-lived assets:
United States	$	71,139	$	72,817
Canada		3,383		3,414
Total	$	74,522	$	76,231
Total assets:
United States	$	97,982	$	87,670
Canada		13,014		12,376
Total	$	110,996	$	100,046