Note G - Commitments and Contingencies (Tables)
 12 Months Ended
Dec. 31, 2016
Notes Tables  
Contractual Obligation, Fiscal Year Maturity Schedule [Table Text Block]
   
Capital
    
Operating
  
Year Ending December 31,
  
Leases
    
Leases
  
2017
   $
214
     $
555
  
2018
    
208
      
585
  
2019
    
208
      
569
  
2020
    
208
      
499
  
2021
    
127
      
449
  
Thereafter
    
—
      
1,836
  
Total minimum lease payments
    
965
     $
4,493
  
Less: amounts representing interest
    
(152
)
    
 
  
Total
   $
813