Annual report pursuant to Section 13 and 15(d)

14. SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION (Details)

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14. SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION (Details) - USD ($)
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
SUPPLEMENTAL INFORMATION:    
Cash paid for interest $ 4,399,972 $ 2,293,590
Noncash Financing and Inesting Activities:    
Equipment acquired reflected in accounts payable and accrued liabilities 238,790 544,125
Equipment acquired through capital lease 165,644 0
Warrants issued in connection with note payable 0 614,513
End of term liability for senior notes payable 0 2,760,000
Assets acquired through the issuance of common stock and liabilities assumed $ 0 $ 60,161,629