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Note 9 - Debt and Convertible Debt (Tables)
 12 Months Ended
Dec. 31, 2013
Debt Disclosure [Abstract]  
Schedule of Debt [Table Text Block]
   

December 31

 
   

2013

   

2012

 
   

(in thousands)

 
                 

Senior secured term loan (1)

  $ 4,442     $ —  

Loan payable (4)

  $ 50     $ —  

Note payable (5)

  $ 376     $ 375  

Various loans (2) (3) (6) (7) (8) (9)

  $ 37     $ —  

Total notes and loans payable

  $ 4,905     $ 375  
                 

Notes and loans payable, current portion

  $ 1,546     $ 36  

Notes and loans payable, long-term

    3,359       339  
      4,905       375  
Schedule of Maturities of Long-term Debt [Table Text Block]

Year Ending

 

At December 31,

2013

 
   

(in thousands)

 

2014

    1,546  

2015

    2,020  

2016

    1,339  
Total   $ 4,905