Note 8 - Financing Arrangements (Detail) - The Company’s outstanding debt consisted of the following: (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Unamortized loan origination fees	$ (1,538)
Less: Current portion of long-term debt	15,125	12,375
Long term debt, net of current portion	74,018	102,453
Senior Term Loan [Member]
Balance	80,000
Unamortized loan origination fees	(2,584)
Balance at December 31, 2012, net of unamortized loan origination fees	64,041
Less: Current portion of long-term debt	(15,125)
Long term debt, net of current portion	48,916
Weighted average interest rate at December 31: (1)
Weighted average interest rate	4.39%	4.47%
Repayments	(13,375)
Balance	66,625
Subordinated Loan [Member]
Balance	40,000
Unamortized loan origination fees	(898)
Balance at December 31, 2012, net of unamortized loan origination fees	24,102
Long term debt, net of current portion	24,102
Weighted average interest rate at December 31: (1)
Weighted average interest rate	13.00%	13.00%
Repayments	(15,000)
Balance	25,000
Revolver [Member]
Balance at December 31, 2012, net of unamortized loan origination fees	1,000
Long term debt, net of current portion	1,000
Weighted average interest rate at December 31: (1)
Weighted average interest rate	6.25%	0.00%
Additions	60,800
Repayments	(59,800)
Balance	1,000
Total [Member]
Balance	120,000
Unamortized loan origination fees	(3,482)
Balance at December 31, 2012, net of unamortized loan origination fees	89,143
Less: Current portion of long-term debt	(15,125)
Long term debt, net of current portion	74,018
Weighted average interest rate at December 31: (1)
Weighted average interest rate	6.73%	7.32%
Additions	60,800
Repayments	(88,175)
Balance	$ 92,625