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Note 4 - Property and Equipment (Details) - USD ($)
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Machinery and Equipment [Member] | Minimum [Member]    
Estimated Useful Life 5 years  
Machinery and Equipment [Member] | Maximum [Member]    
Estimated Useful Life 10 years  
Machinery and Equipment [Member]    
Property and equipment, gross $ 1,910,532 $ 1,646,787
Computer Equipment [Member]    
Property and equipment, gross $ 3,326,594 3,163,227
Estimated Useful Life 5 years  
Furniture and Fixtures [Member]    
Property and equipment, gross $ 610,323 610,323
Estimated Useful Life 7 years  
Vehicles [Member]    
Property and equipment, gross $ 13,162 13,162
Estimated Useful Life 5 years  
Leasehold Improvements [Member]    
Property and equipment, gross $ 1,562,856 1,532,355
Estimated Useful Life 10 years  
Property and equipment, gross $ 7,423,467 6,965,854
Less accumulated depreciation and amortization 5,064,731 4,210,668
Property and equipment, net $ 2,358,736 $ 2,755,186