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Schedule II - Valuation and Qualifying Accounts (Tables)
12 Months Ended
Dec. 31, 2021
Notes Tables  
Summary of Valuation Allowance [Table Text Block]

Tax-related valuation allowance

 

Balance at the Beginning of Period

  

Charged to Tax Expense/(Benefit)

  

Purchase Accounting Adjustments

  

Impact of Foreign Currency Exchange Rate

  

Balance at the End of Period

 

Year ended December 31, 2021

 $55,006  $7,270  $-  $(43) $62,233 

Year ended December 31, 2020

 $41,004  $13,924  $-  $78  $55,006 

Year ended December 31, 2019

 $40,857  $50  $65  $32  $41,004