NET LOSS PER SHARE - Antidilutive Securities (Details) - shares	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total shares	464,536	403,269
Restricted stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total shares	423,712	302,812
Stock options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total shares	40,420	93,667
Warrants
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total shares	404	6,790