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Note 1 - Summary of Business and Significant Accounting Policies (Details) (USD $)
In Millions, except Per Share data, unless otherwise specified
 3 Months Ended 12 Months Ended
Mar. 31, 2014
Dec. 31, 2013
Note 1 - Summary of Business and Significant Accounting Policies (Details) [Line Items]    
Ownership Interest In Joint Venture 50.00%  
Owenership Interest In Subsidiary 50.00%  
Estimated Construction Revenues, Before Tax (in Dollars) $ 2.7  
Estimated Construction Revenue Per Diluted Share (in Dollars per share) $ 0.16  
Contract Receivable Discounted Percentage 4.25%  
Interest Revenue (Expense), Net (in Dollars) 0.1  
Mortgage Loans on Real Estate (in Dollars) 0.2 0.2
Mortgage Loans on Real Estate, Interest Rate   3.50%
Notes Payable, Noncurrent (in Dollars) $ 0.4  
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Minimum 4.24%  
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Maximum 6.29%  
Myers & Sons Construction L.P. [Member]
    
Note 1 - Summary of Business and Significant Accounting Policies (Details) [Line Items]    
Owenership Interest In Subsidiary   50.00%
Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Percentage   50.00%
Minimum [Member]
    
Note 1 - Summary of Business and Significant Accounting Policies (Details) [Line Items]    
Revenue Recognition Percentage of Completion Range 12 months  
Debt Instrument Payment Term 3 years  
Maximum [Member]
    
Note 1 - Summary of Business and Significant Accounting Policies (Details) [Line Items]    
Revenue Recognition Percentage of Completion Range 36 months  
Debt Instrument Payment Term 5 years