Note 10 - Long-Term Debt (Details)	0 Months Ended		1 Months Ended		12 Months Ended							1 Months Ended						0 Months Ended		1 Months Ended	0 Months Ended			6 Months Ended		1 Months Ended			0 Months Ended	1 Months Ended
	Jul. 07, 2011 USD ($)	May 06, 2011 USD ($)	Feb. 27, 2012	Jul. 19, 2011 USD ($)	Dec. 31, 2010 USD ($)	Jun. 30, 2014 USD ($)	Dec. 31, 2012 USD ($)	Jan. 15, 2012	Dec. 31, 2011 USD ($)	Feb. 09, 2011 USD ($)	Nov. 02, 2010 USD ($)	Jul. 19, 2011 Debt Instrument, Redemption, Period One [Member] Senior Unsecured Notes Payable [Member]	Jul. 19, 2011 Debt Instrument, Redemption, Period One [Member] Senior Unsecured Notes Payable [Member] Maximum [Member]	Jul. 19, 2011 Debt Instrument, Redemption, Period Two [Member] Senior Unsecured Notes Payable [Member]	Feb. 03, 2014 With Negative Trailing Twelve Months Adjusted EBITDA [Member] USD ($)	Feb. 03, 2014 With Trailing Twelve Month Adjusted EDITDA [Member] USD ($)	Feb. 03, 2014 Without Delivering ProForma Projections to the Lenders [Member] USD ($)	Jul. 07, 2011 Original Maximum Consolidated Leverage Ratio [Member]	Jul. 07, 2011 New Maximum Consolidated Leverage Ratio [Member]	Feb. 27, 2012 Any Fiscal Quarter After Sep 30, 2012 [Member]	Feb. 03, 2014 Federal Funds Rate Base [Member]	Feb. 03, 2014 LIBOR Rate Base [Member]	Feb. 03, 2014 Default Rate [Member]	Jun. 30, 2014 Subordinated Unsecured Notes [Member] USD ($)	Jun. 30, 2014 London Interbank Offered Rate (LIBOR) [Member]	Jun. 28, 2013 UKIM [Member]	Sep. 29, 2010 UKIM [Member] GBP (£)	Jun. 30, 2014 UKIM [Member] USD ($)	May 12, 2011 Premex Group [Member] GBP (£)	Jun. 28, 2013 Premex Group [Member]	Jun. 30, 2014 Premex Group [Member] USD ($)
Note 10 - Long-Term Debt (Details) [Line Items]
Senior Notes				$ 250,000,000
Debt Instrument, Interest Rate, Stated Percentage				9.00%				9.00%															2.00%
Debt Instrument, Redemption Price, Percentage				100.00%								109.00%		100.00%
Proceeds from Issuance of Senior Long-term Debt				250,000,000
Debt Instrument, Redemption Period, End Date												Jul. 15, 2014		Jul. 15, 2015
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed													35.00%
Debt Instrument, Redemption Price, Minimum Percent of Original Principal Amount Outstanding After Redemption												65.00%
Debt Instrument Repurchase Percentage of Face Amount				101.00%
Line of Credit Facility, Maximum Borrowing Capacity	262,500,000	300,000,000								245,000,000	180,000,000				5,000,000	3,000,000	75,000,000										5,000,000		26,500,000
Line of Credit Facility, Increase (Decrease), Other, Net		55,000,000
Consolidated Senior Secured Leverage Ratio	3.00
Consolidated Leverage Ratio																		3.5	4.75
Line of Credit Facility, Capacity Available for Specific Purpose Other than for Trade Purchases	75,000,000	50,000,000
Line Of Credit Facility Increase Right	37,500,000
Line Of Credit Facility Increase Capacity	300,000,000
Minimum Fixed Charge Coverage Ratio			1.75																	2.00
Secured Revolving Credit Facility, Alternative Currency Sublimit							100,000,000		60,000,000
Debt Instrument, Basis Spread on Variable Rate																					0.50%	1.00%			3.00%	2.40%	2.50%		2.40%
Long-term Line of Credit						187,000,000																						8,100,000			32,300,000
Line of Credit Facility, Remaining Borrowing Capacity						75,500,000																						419,000			12,900,000
Debt Instrument, Term																										24 months	36 months		36 months	24 months
Debt Instrument, Interest Rate, Effective Percentage																												0.50%			0.50%
Business Combination, Consideration Transferred, Liabilities Incurred					6,900,000
Repayments of Notes Payable																								$ 333,000