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Note 11 - Commitments and Contingencies (Details Textual) - USD ($)
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
RLW and JBC [Member]      
Self Insurance Excess Reinsurance $ 55,000    
Other Entities [Member]      
Self Insurance Excess Reinsurance 125,000    
Self Insurance Excess Reinsurance, Aggregate Deductible 5,200,000    
Self Insurance Plan Expenses 2,000,000 $ 2,200,000 $ 2,400,000
Self Insurance Workers Compensation Claims, Amount Per Occurrence 350,000    
Self Insurance General Liability, Amount Per Occurrence 250,000    
Self Insurance Auto Claims, Amount Per Occurrence 50,000    
Self Insurance Workers Compensation Claims, Maximum Liability 4,000,000    
Liability for Unpaid Claims and Claims Adjustment Expense, Incurred but Not Reported (IBNR) Claims, Amount $ 2,900,000 $ 2,800,000