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Note 1 - Summary of Business and Significant Accounting Policies (Details) (USD $)
 9 Months Ended 12 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Dec. 31, 2012
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) $ 23,300,000    
Estimated Construction Revenue, Net Of Tax (in Dollars) 15,600,000    
Estimated Construction Revenue Per Diluted Share (in Dollars per share) $ 0.94    
Contract Receivable Discounted Percentage 4.25%    
Interest Revenue (Expense), Net (in Dollars) 207,000 0  
Mortgage Loans on Real Estate (in Dollars) $ 208,000   $ 262,000
Mortgage Loans on Real Estate, Interest Rate 3.50%   3.50%
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    
Maximum [Member]
      
Note 1 - Summary of Business and Significant Accounting Policies (Details) [Line Items]      
Revenue Recognition Percentage of Completion Range 36 months