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Schedule II - Valuation and Qualifying Accounts (Tables)
 12 Months Ended
Dec. 31, 2015
Notes Tables  
Summary of Valuation Allowance [Table Text Block]
Col. A
 
Col. B
 
 
Col. C
 
 
Col. D
 
 
Col. E
 
 
 
 
 
 
 
Additions
 
 
 
 
 
 
 
 
 
Description
 
Balance at
Beginning
of Period
 
 
(1)
Charged to
Costs and
Expenses
 
 
(2)
Charged to
Other
Accounts (a)
 
 
Deductions
(b)
 
 
Balance at
End of
Period
 
                                         
Year Ended December 31, 2015:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Allowance for doubtful accounts
   $ 1,667     $ 606     $ -     $ (479 )   $ 1,794  
Valuation allowance for deferred
tax assets
   $ 2,052     $ -     $ -     $ (369 )   $ 1,683  
                                         
Year Ended December 31, 2014:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Allowance for doubtful accounts
   $ 730     $ 1,356     $ 290     $ (709 )   $ 1,667  
Valuation allowance for deferred
tax assets
   $ 2,748     $ 3     $ -     $ (699 )   $ 2,052  
                                         
Year Ended December 31, 2013:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Allowance for doubtful accounts
   $ 2,064     $ 432     $ -     $ (1,766 )   $ 730  
Valuation allowance for deferred
tax assets
   $ 3,157     $ 92     $ -     $ (501 )   $ 2,748