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ACCRUED EXPENSES (Tables)
12 Months Ended
Dec. 31, 2017
ACCRUED EXPENSES  
Schedule of accrued expenses

 

 

 

 

 

 

    

2016

    

2017

Operation, maintenance and telecommunication services

 

6,165

 

7,093

General, administrative and marketing expenses

 

1,914

 

2,684

Salaries and benefits

 

2,993

 

2,664

Interest and bank charges

 

211

 

189

Total

 

11,283

 

12,630