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ACCOUNTS RECEIVABLE AND SIGNIFICANT CLIENTS (Tables)
9 Months Ended
Sep. 30, 2020
ACCOUNTS RECEIVABLE AND SIGNIFICANT CLIENTS [Abstract]  
Schedule of Change in Allowance for Doubtful Accounts

Activity in the Company’s Allowance for credit losses consists of the following (in thousands):

Three Months Ended September 30,

Nine Months Ended September 30,

 

    

2020

    

2019

    

2020

    

2019

 

Balance, beginning of period

$

5,795

$

5,495

$

5,452

$

5,592

Provision for credit losses

 

44

 

 

563

Uncollectible receivables written-off

 

(806)

 

(1,701)

 

(939)

(1,716)

Effect of foreign currency

 

24

 

(13)

 

(19)

(95)

Balance, end of period

$

5,057

$

3,781

$

5,057

$

3,781