Quarterly report pursuant to Section 13 or 15(d)

13. SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION (Details)

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13. SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION (Details) - USD ($)
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
SUPPLEMENTAL INFORMATION:    
Cash paid for interest $ 1,369,939 $ 825,513
Noncash Financing and Inesting Activities:    
Equipment acquired reflected in accounts payable and accrued liabilities 35,823 116,766
Warrants issued in connection with note payable $ 2,699,208 $ 0