13. SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION (Details) - USD ($)	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
SUPPLEMENTAL INFORMATION:
Cash paid for interest	$ 2,017,866	$ 1,369,939
Noncash Financing and Inesting Activities:
Equipment acquired reflected in accounts payable and accrued liabilities	2,340,337	35,823
Right-to-use assets obtained in exchange for lease obligations	545,630	1,404,281
Warrants issued in connection with note payable	$ 0	$ 2,699,208