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Note L - Off-balance Sheet Arrangements (Tables)
9 Months Ended
Sep. 30, 2015
Notes Tables  
Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]
   
(in thousands)
 
2015
  $ 1,801  
2016
    9,784  
2017
    6,128  
2018
    188  
Total future minimum lease payments
  $ 17,901