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SUPPLEMENTAL CASH FLOW INFORMATION
12 Months Ended
Dec. 31, 2018
SUPPLEMENTAL CASH FLOW INFORMATION [Abstract]  
SUPPLEMENTAL CASH FLOW INFORMATION
6.
SUPPLEMENTAL CASH FLOW INFORMATION

For purposes of the consolidated statement of cash flows, the Company considers all highly liquid temporary investments with an original maturity of three months or less at the time of purchase to be cash equivalents. The cash flow statement has been prepared using the indirect method, which requires a series of adjustments to reconcile net income for the period to net cash flows from operating activities.

Non-cash investing and financing activities for the years ended December 31, 2018, 2017 and 2016 are presented below:

  
2018
  
2017
  
2016
 
Unpaid acquisition of PPE
  
307,746
   
299,598
   
47,198
 
Principal payment of financial lease (1)
  
101,965
   
66,075
   
271,843
 
Leasing for PPE acquisition
  
-
       
1,429,713
 

(1)
Cancelled through compensation with trade receivables with the creditor. See Note 13.

Note 13 to these consolidated financial statements includes a reconciliation between the initial and final balance of the financial liabilities arising from financing activities.