Note 3 - Property and Equipment (Tables)
 12 Months Ended
Dec. 31, 2013
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment [Table Text Block]
   

December 31,

2013

   

January 31,

2013

 
                 

Machinery and equipment

  $ 2,058,217     $ 2,424,874  

Furniture and fixtures

    1,019,082       646,643  

Software

    567,900       1,828,705  

Leasehold improvements

    492,408       269,087  
      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