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Note 1 - Summary of Business and Significant Accounting Policies (Details) (USD $)
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Note 1 - Summary of Business and Significant Accounting Policies (Details) [Line Items]      
Ownership Interest In Subsidiary 50.00%    
Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Percentage 50.00%    
Estimated Construction Revenues, Before Tax $ 57,600,000 $ 4,900,000  
Estimated Construction Revenue Per Diluted Share (in Dollars per share) $ 3.46 $ 0.32  
Estimated Construction Revenue, Net Of Tax   5,300,000  
Mortgage Loans on Real Estate, Number of Loans 1 1  
Mortgage Loans on Real Estate 189,000 262,000  
Mortgage Loans on Real Estate, Interest Rate 3.50% 3.50%  
Notes Payable, Noncurrent 468,000    
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Minimum 4.24%    
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Maximum 6.29%    
Contract Receivable Retainage 18,300,000 18,100,000  
Contract Receivable 7,800,000 4,600,000  
Allowance for Doubtful Accounts Receivable, Write-offs   0 0
Depreciation 18,600,000 19,000,000 16,900,000
Unamortized Loan Commitment and Origination Fees and Unamortized Discounts or Premiums 212,000    
Amortization of Financing Costs 77,000 32,000 326,000
Number of Operating Segments 1    
Number of Reportable Segments 1    
Number of Reporting Units 1    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in Shares) 0 0 53,900
Options And Warrants [Member]
      
Note 1 - Summary of Business and Significant Accounting Policies (Details) [Line Items]      
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in Shares) 160,206 109,424 88,426
Other Operating Income [Member] | Contracts Assumed [Member]
      
Note 1 - Summary of Business and Significant Accounting Policies (Details) [Line Items]      
Allowance for Doubtful Accounts Receivable, Write-offs 1,800,000    
Myers & Sons Construction L.P. [Member]
      
Note 1 - Summary of Business and Significant Accounting Policies (Details) [Line Items]      
Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Percentage 50.00%    
Amended Facility [Member]
      
Note 1 - Summary of Business and Significant Accounting Policies (Details) [Line Items]      
Unamortized Loan Commitment and Origination Fees and Unamortized Discounts or Premiums   $ 289,000  
Greater Than [Member]
      
Note 1 - Summary of Business and Significant Accounting Policies (Details) [Line Items]      
Ownership Interest In Joint Venture 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    
Warranty Period 2 years    
Debt Instrument Payment Term 5 years