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Note 6 - Leases (Details) - Future minimum capital lease payments (USD $)
Sep. 30, 2013
Dec. 31, 2012
Future minimum capital lease payments [Abstract]    
2013 $ 64,884  
2014 254,778  
2015 222,251  
2016 215,148  
2017 138,149  
Total minimum lease payments 895,210  
Less amount representing interest (94,284)  
Present value of minimum lease payments 800,926  
Less current portion (207,514) (203,503)
Long-term lease payments $ 593,412 $ 729,567