STOCK-BASED COMPENSATION - Summary of the Company's stock options (Details)	6 Months Ended
	Jun. 30, 2020 USD ($) $ / shares shares
STOCK-BASED COMPENSATION
Shares available for grant, Beginning | shares	9,821,250
Number of Shares Granted | shares	2,130,000
Number of Shares Exercised | shares	0
Number of Shares Forfeited | shares	0
Shares available for grant, Ending | shares	11,951,250
Vested and unvested but expected to vest, June 30, 2020 | shares	11,784,785
Number of Shares Exercisable | shares	8,093,750
Weighted Average exercise price, Beginning | $ / shares	$ 0.28
Weighted Average Exercise Price Granted | $ / shares	0.30
Weighted Average Exercise Price Exercised | $ / shares	0.00
Weighted Average Exercise Price Forfeited | $ / shares	0.00
Weighted Average exercise price, Ending | $ / shares	0.28
Weighted Average Exercise Vested and unvested but expected to vest, June 30, 2020 | $ / shares	0.28
Weighted Average Exercise Price Exercisable at June 30, 2020 | $ / shares	$ 0.30
Weighted Average Remaining Contractual Life Options Outstanding, June 30, 2020	5 years 10 months 24 days
Weighted Average Remaining Contractual Life Vested and unvested but expected to vest, June 30, 2020	5 years 10 months 24 days
Weighted Average Remaining Contractual Life Exercisable at June 30, 2020	4 years 4 months 24 days
Aggregate Intrinsic Value Options Outstanding, June 30, 2020 | $	$ 813,600
Aggregate Intrinsic Value Vested and unvested but expected to vest, June 30, 2020 | $	802,268
Aggregate Intrinsic Value Exercisable at June 30, 2020 | $	$ 550,550