INCOME TAXES - Narrative (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Operating Loss Carryforwards [Line Items]
Income tax benefit	$ 0	$ 0
Increase in valuation allowance	6,985,000
Unrecognized tax benefits	0	0
Accrued interest and penalties related to uncertain tax positions	0	$ 0
Federal
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	39,596,000
State
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	20,075,000
Canada
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	222,000
Research and development | Federal
Operating Loss Carryforwards [Line Items]
Tax credit carryforward	$ 1,014,000