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Note 5 - Asset Held for Sale (Details Textual)
1 Months Ended
Mar. 23, 2016
USD ($)
Jan. 31, 2016
USD ($)
Dec. 31, 2015
USD ($)
Dec. 15, 2015
Dec. 31, 2014
USD ($)
Non-core [Member] | Subsequent Event [Member]          
Disposal Group, Including Discontinued Operation, Consideration   $ 172,948      
Proceeds from Sale of Real Estate   155,187      
Proceeds from Sale of Real Estate, Allocated to Selling Expense   $ 17,761      
Non-core [Member]          
Number of Real Estate Properties       4  
Real Estate, Number Of Properties Sold       3  
Subsequent Event [Member]          
Proceeds from Sale of Real Estate $ 418,000        
Proceeds from Sale of Real Estate, Net $ 380,000        
Premium Paid to Auction 10.00%        
Assets Held-for-sale, Not Part of Disposal Group     $ 445,180   $ 0