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ACCOUNTS RECEIVABLE (Tables)
12 Months Ended
Dec. 31, 2020
ACCOUNTS RECEIVABLE  
Schedule of accounts receivable

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December 31, 

    

2020

    

2019

(in thousands)

 

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Trade receivables

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$

3,253

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$

2,319

Other

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1,469

​

 

4,308

Total

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4,722

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6,627

Less: allowance for credit losses

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(16)

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(20)

Net accounts receivable

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$

4,706

​

$

6,607