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ACCRUED EXPENSES (Tables)
12 Months Ended
Dec. 31, 2018
ACCRUED EXPENSES  
Schedule of accrued expenses

 

 

 

 

 

 

    

2017

    

2018

Operation, maintenance and telecommunication services

 

7,093

 

8,013

General, administrative and marketing expenses

 

2,684

 

2,299

Salaries and benefits

 

2,664

 

2,219

Interest and bank charges

 

189

 

238

Total

 

12,630

 

12,769