Note 10 - Long-Term Debt (Details) - Borrowings under the Senior Secured Revolving Credit Facility						12 Months Ended				12 Months Ended					12 Months Ended					12 Months Ended					12 Months Ended
	Jan. 15, 2012	Jul. 31, 2011	Jul. 19, 2011	Dec. 31, 2013 Pricing Tier 1 [Member] Eurocurrency Rate Loans [Member]	Dec. 31, 2013 Pricing Tier 1 [Member] Base Rate Loans [Member]	Dec. 31, 2013 Pricing Tier 1 [Member]	Dec. 31, 2013 Pricing Tier 1 [Member] Minimum [Member]	Dec. 31, 2013 Pricing Tier 2 [Member] Eurocurrency Rate Loans [Member]	Dec. 31, 2013 Pricing Tier 2 [Member] Base Rate Loans [Member]	Dec. 31, 2013 Pricing Tier 2 [Member]	Dec. 31, 2013 Pricing Tier 2 [Member] Minimum [Member]	Dec. 31, 2013 Pricing Tier 2 [Member] Maximum [Member]	Dec. 31, 2013 Pricing Tier 3 [Member] Eurocurrency Rate Loans [Member]	Dec. 31, 2013 Pricing Tier 3 [Member] Base Rate Loans [Member]	Dec. 31, 2013 Pricing Tier 3 [Member]	Dec. 31, 2013 Pricing Tier 3 [Member] Minimum [Member]	Dec. 31, 2013 Pricing Tier 3 [Member] Maximum [Member]	Dec. 31, 2013 Pricing Tier 4 [Member] Eurocurrency Rate Loans [Member]	Dec. 31, 2013 Pricing Tier 4 [Member] Base Rate Loans [Member]	Dec. 31, 2013 Pricing Tier 4 [Member]	Dec. 31, 2013 Pricing Tier 4 [Member] Minimum [Member]	Dec. 31, 2013 Pricing Tier 4 [Member] Maximum [Member]	Dec. 31, 2013 Pricing Tier 5 [Member] Eurocurrency Rate Loans [Member]	Dec. 31, 2013 Pricing Tier 5 [Member] Base Rate Loans [Member]	Dec. 31, 2013 Pricing Tier 5 [Member]	Dec. 31, 2013 Pricing Tier 5 [Member] Maximum [Member]
Guarantor Obligations [Line Items]
Consolidated Leverage Ratio							2.50%				2.00%	2.50%				1.50%	2.00%				1.00%	1.50%				1.00%
Commitment Fee/Unused Line Fee						0.50%				0.45%					0.40%					0.35%					0.30%
Letter of Credit Fee						3.75%				3.50%					3.25%					3.00%					2.75%
Base Rate Loans	9.00%	9.00%	9.00%	3.75%	2.75%			3.50%	2.50%				3.25%	2.25%				3.00%	2.00%				2.75%	1.75%