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Note 10 - Commitments and Contingencies (Tables)
 12 Months Ended
Dec. 31, 2013
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]
   

Year Ended
December 31,

 
   

(Dollars in thousands)

 
         

2014

  $ 3,479  

2015

    3,099  

2016

    2,383  

2017

    1,681  

2018

    621  

Thereafter

    —  

Subtotal

    11,263  

Less: Estimated sublease income

    —  

Net rental obligations

  $ 11,263