Annual report pursuant to Section 13 and 15(d)

15. SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION (Tables)

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15. SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION (Tables)
 12 Months Ended
Dec. 31, 2019
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]  
Schedule of supplemental cash flow information
    2019   2018
SUPPLEMENTAL CASH FLOW INFORMATION:                
Cash paid for interest   $ 8,112,231     $ 4,399,972  
Noncash Financing and Investing Activities:                
Equipment acquired reflected in accounts payable and accrued liabilities   $ 514,904     $ 238,790  
Equipment acquired through capital lease   $ —       $ 165,644  
Warrants issued in connection with notes payable   $ 3,579,115     $ —