Note 10 - Long-Term Debt (Details) - Borrowings Under the Senior Secured Revolving Credit Facility					6 Months Ended				6 Months Ended					6 Months Ended					6 Months Ended					6 Months Ended
	Jan. 15, 2012	Jul. 19, 2011	Jun. 30, 2014 Pricing Tier 1 [Member] Eurodollar [Member]	Jun. 30, 2014 Pricing Tier 1 [Member] Base Rate [Member]	Jun. 30, 2014 Pricing Tier 1 [Member]	Jun. 30, 2014 Pricing Tier 1 [Member] Minimum [Member]	Jun. 30, 2014 Pricing Tier 2 [Member] Eurodollar [Member]	Jun. 30, 2014 Pricing Tier 2 [Member] Base Rate [Member]	Jun. 30, 2014 Pricing Tier 2 [Member]	Jun. 30, 2014 Pricing Tier 2 [Member] Minimum [Member]	Jun. 30, 2014 Pricing Tier 2 [Member] Maximum [Member]	Jun. 30, 2014 Pricing Tier 3 [Member] Eurodollar [Member]	Jun. 30, 2014 Pricing Tier 3 [Member] Base Rate [Member]	Jun. 30, 2014 Pricing Tier 3 [Member]	Jun. 30, 2014 Pricing Tier 3 [Member] Minimum [Member]	Jun. 30, 2014 Pricing Tier 3 [Member] Maximum [Member]	Jun. 30, 2014 Pricing Tier 4 [Member] Eurodollar [Member]	Jun. 30, 2014 Pricing Tier 4 [Member] Base Rate [Member]	Jun. 30, 2014 Pricing Tier 4 [Member]	Jun. 30, 2014 Pricing Tier 4 [Member] Minimum [Member]	Jun. 30, 2014 Pricing Tier 4 [Member] Maximum [Member]	Jun. 30, 2014 Pricing Tier 5 [Member] Eurodollar [Member]	Jun. 30, 2014 Pricing Tier 5 [Member] Base Rate [Member]	Jun. 30, 2014 Pricing Tier 5 [Member]	Jun. 30, 2014 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%	3.75%	2.75%			3.50%	2.50%				3.25%	2.25%				3.00%	2.00%				2.75%	1.75%