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ACCRUED EXPENSES (Tables)
12 Months Ended
Dec. 31, 2020
ACCRUED EXPENSES  
Schedule of accrued expenses

 

 

 

 

 

 

    

2019

    

2020

Operation, maintenance, and telecommunication service

 

7,521

 

8,455

Salaries and benefits

 

2,658

 

3,399

General, administrative, and marketing expenses

 

2,365

 

2,255

Interest and bank charges

 

217

 

156

Total

 

12,761

 

14,265