Note 6 - Financing Arrangements (Tables)

3 Months Ended

6 Months Ended

Mar. 31, 2013

Jun. 30, 2013

Debt Disclosure [Text Block]

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

	Senior Term Loan			Subordinated Debt			Revolver			Total
Balance at December 31, 2012	$	66,625		$	25,000		$	1,000		$	92,625
Borrowings		-			-			62,000			62,000
Repayments		(6,875	)		-			(56,000	)		(62,875	)
Balance at June 30, 2013		59,750			25,000			7,000			91,750
Unamortized loan origination fees		(2,004	)		(805	)		-			(2,809	)
Balance at June 30, 2013, net of unamortized loan origination fees		57,746			24,195			7,000			88,941
Less:  Current portion of long-term debt		(16,500	)		-			-			(16,500	)
Long term debt, net of current portion	$	41,246		$	24,195		$	7,000		$	72,441
Weighted average interest rate: (1)
December 31, 2012		4.39	%		13.00	%		6.25	%		6.73	%
June 30, 2013		4.34	%		13.00	%		4.78	%		6.73	%

Fair Value, Liabilities Measured on Recurring Basis [Table Text Block]

Balance at December 31, 2012	$	3,482
Amortization		(673	)
Balance at June 30, 2013	$	2,809