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Note 9 - Debt and Convertible Debt (Tables)
 9 Months Ended
Sep. 30, 2013
Debt Disclosure [Abstract]  
Schedule of Debt [Table Text Block]
   

September 30, 2013

   

December 31, 2012

 
   

(in thousands)

 
                 

Senior secured term loan (1)

  $ 4,442     $ —  

Loan payable (3)

  $ 50     $ —  

Note payable (4)

  $ 376     $ 376  

Various loans (2) (5) (6) (7) (8)

  $ —     $ —  

Total notes and loans payable

  $ 4,868     $ 376  
                 

Notes and loans payable, current portion

  $ 4,633     $ 36  

Notes and loans payable, long-term

    235       339