Note 12 - Income Taxes (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Note 12 - Income Taxes (Details) [Line Items]
Federal Taxable Income	$ 29,400,000	$ 30,800,000	$ 18,700,000
Operating Loss Carryfoward Used to Offset Current Year Taxable Income	1,400,000	12,900,000	18,700,000
Employee Service Share-based Compensation, Tax Benefit from Compensation Expense	19,200,000	7,900,000
Increase (Decrease) in Income Taxes Payable	6,600,000	2,900,000
State and Local Jurisdiction [Member]
Note 12 - Income Taxes (Details) [Line Items]
Operating Loss Carryforwards	4,700,000
Foreign Tax Authority [Member]
Note 12 - Income Taxes (Details) [Line Items]
Operating Loss Carryforwards	927,000
MES Group [Member]
Note 12 - Income Taxes (Details) [Line Items]
Operating Loss Carryforwards			23,300,000
United Kingdom [Member] | Foreign Tax Credit [Member]
Note 12 - Income Taxes (Details) [Line Items]
Tax Credit Carryforward, Amount	3,200,000	3,100,000
Australia [Member] | Foreign Tax Credit [Member]
Note 12 - Income Taxes (Details) [Line Items]
Tax Credit Carryforward, Amount	3,700,000	2,700,000
Alternative Minimum Tax [Member]
Note 12 - Income Taxes (Details) [Line Items]
Tax Credit Carryforward, Amount		$ 171,000