Note 3 - Property and Equipment (Details) - Property and Equipment Components (USD $)
Dec. 31, 2013
Jan. 31, 2013
Property, Plant and Equipment [Line Items]    
Property and equipment, gross $ 4,137,607 $ 5,169,309
Less accumulated depreciation and amortization 588,622 4,206,240
Property and equipment, net 3,548,985 963,069
Machinery and Equipment [Member]
   
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 2,058,217 2,424,874
Furniture and Fixtures [Member]
   
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 1,019,082 646,643
Software and Software Development Costs [Member]
   
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 567,900 1,828,705
Leasehold Improvements [Member]
   
Property, Plant and Equipment [Line Items]    
Property and equipment, gross $ 492,408 $ 269,087