Note 6 - Financing Arrangements (Detail) - The Company’s outstanding debt consisted of the following: (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Dec. 31, 2012
Unamortized loan origination fees	$ (340)
Less: Current portion of long-term debt	15,813	15,125
Long term debt, net of current portion	80,833	74,018
Senior Term Loan [Member]
Balance	66,625
Unamortized loan origination fees	(2,286)
Balance at March 31, 2013, net of unamortized loan origination fees	60,902
Less: Current portion of long-term debt	(15,813)
Long term debt, net of current portion	45,089
Weighted average interest rate: (1)
Weighted average interest rate	3.87%	4.39%
Repayments	(3,437)
Balance	63,188
Subordinated Loan [Member]
Balance	25,000
Unamortized loan origination fees	(856)
Balance at March 31, 2013, net of unamortized loan origination fees	24,144
Long term debt, net of current portion	24,144
Weighted average interest rate: (1)
Weighted average interest rate	13.00%	13.00%
Balance	25,000
Revolver [Member]
Balance	1,000
Balance at March 31, 2013, net of unamortized loan origination fees	11,600
Long term debt, net of current portion	11,600
Weighted average interest rate: (1)
Weighted average interest rate	4.69%	6.25%
Borrowings	39,000
Repayments	(28,400)
Balance	11,600
Total [Member]
Balance	92,625
Unamortized loan origination fees	(3,142)
Balance at March 31, 2013, net of unamortized loan origination fees	96,646
Less: Current portion of long-term debt	(15,813)
Long term debt, net of current portion	80,833
Weighted average interest rate: (1)
Weighted average interest rate	6.25%	6.73%
Borrowings	39,000
Repayments	(31,837)
Balance	$ 99,788