Note 8 - Long-term Debt (Tables)

12 Months Ended

Dec. 31, 2013

Disclosure Text Block [Abstract]

Schedule of Long-term Debt Instruments [Table Text Block]

	(in thousands)
	Year Ended December 31,
	2013			2012
Revolving credit agreement (1)	$	64,000		$	83,513
Capitalized lease obligations and other long-term debt (2)		63,868			53,420
		127,868			136,933
Less current maturities		(19,025	)		(14,403	)
Long-term debt, less current maturities	$	108,843		$	122,530

Schedule of Revolver Applicable Margin [Table Text Block]

Level	Average Excess Availability				Applicable Margin in respect of Base Rate Loans under the Revolver			Applicable Margin in respect of LIBOR Rate Loans under the Revolver
I			≥	$50,000,000		1.25	%		2.25	%
II	<	$50,000,000	but ≥	$30,000,000		1.50	%		2.50	%
III	<	$30,000,000				1.75	%		2.75	%

Schedule of Line of Credit Facilities [Table Text Block]

Level	Average Used Portion of the Revolver plus Outstanding Letters of Credit		Applicable Unused Revolver Fee Margin
I	>	$60,000,000		0.375	%
II	<	$60,000,000		0.500	%