STOCKHOLDERS' EQUITY - Narrative (Details)			1 Months Ended	3 Months Ended
	Feb. 11, 2020 USD ($) $ / shares shares	Jul. 19, 2019 USD ($) trading_Days $ / shares shares	Dec. 31, 2018 shares	Mar. 31, 2020 USD ($) shares	Mar. 31, 2019 USD ($) shares	Dec. 31, 2019 shares	Jan. 20, 2019
Class of Stock [Line Items]
Common stock, shares outstanding				13,645,677		4,511,174
Shares issued, value | $				$ 9,467,166	$ 4,377,591
Expected life (years)				4 years 9 months 21 days		5 years 21 days	5 years
Exercise price (in dollars per share) | $ / shares		$ 15.17
Number of shares called by warrants		142,711
Offering costs | $					10,617
Consecutive trading days | trading_Days		10
Over-Allotment Option
Class of Stock [Line Items]
Shares issued, value | $	$ 11,000,000.0
Shares issued	1,252,173
Common Stock
Class of Stock [Line Items]
Conversion ratio		25
Shares issued, value | $				$ 835	$ 96
Shares issued	8,343,480			8,353,480	960,489
Number of rights per share		1
Number of shares called by warrants	9,599,999
Preferred shares converted to common shares (shares)				777,825
Issuance of equity securities for license (shares)			12,907		12,907
Common Stock | Over-Allotment Option
Class of Stock [Line Items]
Expected life (years)	5 years
Number of rights per share	1
Exercise price (in dollars per share) | $ / shares	$ 1.15
Common Stock | Flex Pharma
Class of Stock [Line Items]
Conversion ratio		25
Common stock, shares outstanding		8,353,480
Preferred Stock
Class of Stock [Line Items]
Shares issued, value | $				$ 125
Shares issued				1,246,519
Preferred shares converted to common shares (shares)				(777,825)
Class A | Common Stock | Over-Allotment Option
Class of Stock [Line Items]
Number of shares issued	7,101,307
Price per share (usd per share) | $ / shares	$ 1.15
Class B | Preferred Stock | Over-Allotment Option
Class of Stock [Line Items]
Number of shares issued	1,246,519
Price per share (usd per share) | $ / shares	$ 1.15
Series A Preferred | Common Stock
Class of Stock [Line Items]
Shares issued					4,035
Preferred shares converted to common shares (shares)	777,825
Series A Preferred | Preferred Stock
Class of Stock [Line Items]
Shares issued	1,246,519
Profit Interest Units | Common Stock
Class of Stock [Line Items]
Shares issued					350
Common Units | Common Stock
Class of Stock [Line Items]
Issuance of equity securities for license (shares)			91
Wedbush | Satisfy success fee
Class of Stock [Line Items]
Expected life (years)		5 years
Exercise price (in dollars per share) | $ / shares		$ 18.90
Number of shares called by warrants		42,928
Warrant value | $		$ 500,000
Due to related party | $		1,000,000
Cash payment to related party | $		$ 500,000