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Note 8 - Commitments and Contingencies (Details) - Future Minimum Rental Payments for Capital and Operating Leases (USD $)
Mar. 31, 2014
Dec. 31, 2013
Future Minimum Rental Payments for Capital and Operating Leases [Abstract]    
Remaining in 2014 $ 756,383  
Remaining in 2014 894,267  
2015 631,357  
2015 529,317  
2016 107,085  
2016 467,182  
2017 114,981  
Total minimum lease payments 1,494,825  
Total minimum lease payments 2,005,747  
Less: Amount representing interest (83,137)  
Total present value of minimum payments 1,411,688  
Less: Current portion of such obligations 914,877 928,181
Long-term capital lease obligations $ 496,811 $ 713,699