Note 5 - Long-term Obligations and Note Payable to Related Party - Company's Long-term Obligations (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Revolving Credit Facility [Member]
Long-term debt	$ 191,700	$ 201,700
Credit Facility, Second Amendment, Term Loan Tranche [Member]
Long-term debt	235,938	250,000
Term Loan [Member]
Long-term debt	$ 55,500	58,875
Unsecured Subordinated Note Issued to Coliseum [Member]
Long-term debt		65,500
Long-term debt	$ 483,138	576,075
Less unamortized discount on debt	1,103	1,462
	482,035	574,613
Less current portion	31,000	90,088
Total long-term obligations, less current portion	$ 451,035	$ 484,525