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Note 9 - Commitments and Contingencies (Tables)
9 Months Ended
Sep. 30, 2012
Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]
Year ended December 31,
     
(in thousands)
     
2012 (October 1 through December 31, 2012)
  $ 116  
2013
    465  
2014
    465  
2015
    194  
Total minimum lease payments
  $ 1,240