Current report filing

Note 11 - Investment in R-NAV, LLC (Details Textual)

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Note 11 - Investment in R-NAV, LLC (Details Textual) - USD ($)
 1 Months Ended 12 Months Ended
May 31, 2016
Jul. 15, 2014
Jul. 31, 2016
Jul. 31, 2015
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Payments to Acquire Equity Method Investments         $ 333,334
Repayments of Notes Payable         231,453 30,333,333 25,000,000
Equity Method Investment, Payment Upon Termination of Joint Venture         110,000
Equity Method Investment, Realized Gain (Loss) on Disposal         (39,732)
Income (Loss) from Equity Method Investments         (15,159) $ (305,253) (523,809)
R-NAV [Member]              
Equity Method Investment, Initial Capitalization   $ 4,000,000          
Payments to Acquire Equity Method Investments   333,334          
Equity Method Investment, Promissory Note Payable   $ 666,666         666,666
Repayments of Notes Payable     $ 333,333 $ 333,333      
Equity Method Investment, Ownership Shares Contingently Receivable   500,000          
Equity Method Investment, Ownership Percentage   33.70%       27.30%  
Equity Method Investment, Payment Upon Termination of Joint Venture $ 110,000   110,000        
Equity Method Investment, Forgiven Promissory Note, Amount 333,333   $ 333,333        
Equity Method Investment, Realized Gain (Loss) on Disposal         39,732    
Equity Method Investment, Aggregate Cost   $ 1,000,000          
Equity Method Investments 0 $ 727,000          
Income (Loss) from Equity Method Investments         15,159 $ 305,253 523,809
Equity Method Investment, Commitment to Provide Services         500,000    
Equity Method Investment, Cost of Services Provided         $ 15,000 64,000 $ 39,000
Equity Method Investment, Remaining Commitment to Provide Services $ 383,000            
R-NAV [Member] | Common Stock [Member]              
Equity Method Investment, Ownership Shares Received   3,500,000          
Equity Method Investment, Shares Transferred Upon Termination of Joint Venture 3,500,000   3,500,000        
R-NAV [Member] | Preferred Stock [Member]              
Equity Method Investment, Ownership Shares Received   1,000,000          
Equity Method Investment, Shares Transferred Upon Termination of Joint Venture 1,500,000   1,500,000        
R-NAV [Member] | Commitment to Invest [Member]              
Other Commitment   $ 1,000,000          
R-NAV's Subsidiary 1A [Member] | Call Option [Member]              
Warrants and Rights Outstanding           $ 10,500,000  
Equity Method Investments   $ 273,000