Annual report pursuant to Section 13 and 15(d)

SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS (Details)

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SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Allowance for doubtful accounts receivable    
Movement in valuation and qualifying accounts    
Balance at Beginning of Year $ 407 $ 460
Provisions 77 10
Amounts Written Off (30) (63)
Amounts Recovered 0 0
Effect of Currency Translation 0 0
Balance at End of Year 454 407
Allowance for sales returns    
Movement in valuation and qualifying accounts    
Balance at Beginning of Year 298 329
Provisions 2,029 1,843
Amounts Written Off (1,989) (1,872)
Amounts Recovered 0 0
Effect of Currency Translation 13 (2)
Balance at End of Year 351 298
Tax valuation allowance    
Movement in valuation and qualifying accounts    
Balance at Beginning of Year 21,388 20,256
Provisions (6,120) 1,591
Amounts Written Off 0 (107)
Amounts Recovered 0 (372)
Effect of Currency Translation (6) 20
Balance at End of Year $ 15,262 $ 21,388