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Note 5 - Long-Term Debt (Details Textual) - Term Loan [Member]
1 Months Ended 3 Months Ended 9 Months Ended
Apr. 29, 2013
USD ($)
Sep. 30, 2015
USD ($)
Sep. 30, 2014
USD ($)
Sep. 30, 2015
USD ($)
Sep. 30, 2014
USD ($)
Interest Expense [Member]          
Amortization of Debt Discount (Premium)   $ 37,344 $ 88,497 $ 151,631 $ 445,865
Debt Instrument, Face Amount $ 8,000,000        
Debt Instrument, Interest Rate, Stated Percentage 11.00%        
Debt Instrument, Term 3 years        
Debt Instrument, Number of Tranches 3        
Proceeds from Notes Payable $ 5,000,000        
Warrants Aggregate Exercise Price 800,000        
Excercise Value Increase, First Tranche 200,000        
Exercise Value Increase Second and Third Tranche $ 300,000