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ACCRUED EXPENSES (Tables)
12 Months Ended
Dec. 31, 2019
ACCRUED EXPENSES  
Schedule of accrued expenses

 

 

 

 

 

 

    

2018

    

2019

Operation, maintenance, and telecommunication services

 

8,013

 

7,521

Salaries and benefits

 

2,219

 

2,658

General, administrative, and marketing expenses

 

2,299

 

2,365

Interest and bank charges

 

238

 

217

Total

 

12,769

 

12,761