Note 6 - Financing Arrangements (Details) - The Company’s outstanding debt consisted of the following: (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2013		Dec. 31, 2012
Debt Instrument [Line Items]
Unamortized loan origination fees	$ (990)
Less: Current portion of long-term debt	16,500		15,125
Long term debt, net of current portion	66,633		74,018
Senior Term Loan [Member]
Debt Instrument [Line Items]
Balance	66,625
Unamortized loan origination fees	(1,737)
Balance at September 30, 2013, net of unamortized loan origination fees	53,888
Less: Current portion of long-term debt	(16,500)
Long term debt, net of current portion	37,388
Weighted average interest rate:
Weighted average interest rate	4.18%	[1]	4.39%	[1]
Repayments	(11,000)
Balance	55,625
Subordinated Loan [Member]
Debt Instrument [Line Items]
Balance	25,000
Unamortized loan origination fees	(755)
Balance at September 30, 2013, net of unamortized loan origination fees	24,245
Long term debt, net of current portion	24,245
Weighted average interest rate:
Weighted average interest rate	13.00%	[1]	13.00%	[1]
Balance	25,000
Revolver [Member]
Debt Instrument [Line Items]
Balance	1,000
Balance at September 30, 2013, net of unamortized loan origination fees	5,000
Long term debt, net of current portion	5,000
Weighted average interest rate:
Weighted average interest rate	4.18%	[1]	6.25%	[1]
Borrowings	91,100
Repayments	(87,100)
Balance	5,000
Total [Member]
Debt Instrument [Line Items]
Balance	92,625
Unamortized loan origination fees	(2,492)
Balance at September 30, 2013, net of unamortized loan origination fees	83,133
Less: Current portion of long-term debt	(16,500)
Long term debt, net of current portion	66,633
Weighted average interest rate:
Weighted average interest rate	6.75%	[1]	6.73%	[1]
Borrowings	91,100
Repayments	(98,100)
Balance	$ 85,625

[1] The weighted average interest rate includes the effect of the interest rate swap agreements. See Note 7 for additional information.