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ACCOUNTS RECEIVABLE AND SIGNIFICANT CLIENTS (Tables)
9 Months Ended
Sep. 30, 2021
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,

 

    

2021

    

2020

    

2021

    

2020

 

Balance, beginning of period

$

5,940

$

5,795

$

5,067

$

5,452

Provision for credit losses

 

(189)

 

44

 

(34)

563

Uncollectible receivables written-off

 

302

 

(806)

 

41

(939)

Effect of foreign currency

(7)

24

(16)

(19)

Acquisition

 

 

 

988

Balance, end of period

$

6,046

$

5,057

$

6,046

$

5,057