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Note 16 - Related Party Transactions (Details Textual) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Dec. 31, 2013
Dec. 31, 2015
Executive Chairman [Member] | Accrued Liabilities and Other Long Term Liabilities [Member]    
Due to Related Parties   $ 18.3
Executive Chairman [Member]    
Related Party Transaction, Selling, General and Administrative Expenses from Transactions with Related Party   $ 18.3
Sale of Land [Member]    
Related Party Transaction, Amounts of Transaction $ 4.2  
Gain (Loss) on Disposition of Assets $ 2.5