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Note 6 - Note Receivable (Details) (USD $)
1 Months Ended 3 Months Ended
Nov. 30, 2010
Mar. 31, 2014
Mar. 31, 2013
Dec. 31, 2013
Receivables [Abstract]        
Proceeds from Sale of Real Estate $ 200,000      
Notes, Loans and Financing Receivable, Gross, Noncurrent 2,100,000      
Note Receivable Interest Rate 7.00%      
Maturities of Note Receivable 1,900,000      
Deferred Gain, Sale Of Property 700,000      
Gain (Loss) on Disposition of Property Plant Equipment   1,900 1,770  
Notes, Loans and Financing Receivable, Net, Noncurrent   $ 1,946,000   $ 1,953,000