Note 8 - Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2013

Fair Value Disclosures [Abstract]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

		Fair Value Measurements At September 30, 2013 Using
	Balance Sheet Classification	Level 1		Level 2		Level 3		Total
Assets:
Investments held in Rabbi Trusts	Other noncurrent assets	$	1,676	$	-	$	-	$	1,676

		Fair Value Measurements At December 31, 2012 Using
	Balance Sheet Classification	Level 1		Level 2		Level 3		Total
Assets:
Investments held in Rabbi Trusts	Other noncurrent assets	$	1,459	$	-	$	-	$	1,459
Liabilities:
Interest rate swap	Other long-term liabilities	$	-	$	60	$	-	$	60