Note 9 - Accumulated Other Comprehensive Income (Details) - Loss Reclassified From Accumulated Other Comprehensive (Loss) Into Earnings (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Losses on cash flow swaps to:
Interest expense	$ 85	$ 103	$ 170	$ 208
Income tax benefit	(33)	(40)	(65)	(81)
Total reclassifications	$ 52	$ 63	$ 105	$ 127