NET INCOME (LOSS) PER SHARE OF COMMON STOCK - Securities Excluded from Calculation of Weighted Average Shares Outstanding as their Effect is Antidilutive (Details) - shares	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Common Stock Options
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Securities outstanding excluded from the calculation of weighted average shares outstanding	9,347,054	8,508,672	6,357,500	8,508,672
Restricted Stock Units
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Securities outstanding excluded from the calculation of weighted average shares outstanding	48,650	127,300	48,650	127,300
Common Stock Warrants
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Securities outstanding excluded from the calculation of weighted average shares outstanding	40,790	40,790	40,790	40,790