INCOME TAXES - Narrative (Details)	3 Months Ended
	Mar. 31, 2019 USD ($) quarter	Mar. 31, 2018 USD ($)
Accumulated Other Comprehensive Income (Loss) [Line Items]
Effective income tax rate	0.00%
U.S. federal income tax rate	21.00%
Number of quarters of cumulative loss | quarter	12
Operating loss carryforwards	$ 66,400,000
Pre-tax loss	5,068,995	$ 2,208,083
Retained Earnings
Accumulated Other Comprehensive Income (Loss) [Line Items]
Pre-tax loss	$ 4,963,564	$ 2,258,622