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Note 1 - Summary of Business and Significant Accounting Policies (Details) (USD $)
 6 Months Ended 12 Months Ended
Jun. 30, 2013
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) $ 20,600,000  
Estimated Construction Revenue, Net Of Tax (in Dollars) 13,600,000  
Estimated Construction Revenue Per Diluted Share (in Dollars per share) $ 0.82  
Contract Receivable Discounted Percentage 4.25%  
Interest Revenue (Expense), Net (in Dollars) 94,000  
Mortgage Loans on Real Estate (in Dollars) $ 226,000 $ 262,000
Mortgage Loans on Real Estate, Interest Rate 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