SUBSEQUENT EVENTS (Details)				3 Months Ended	12 Months Ended
	Feb. 06, 2020 $ / shares shares	Jan. 10, 2020 USD ($) day $ / shares	Mar. 08, 2019 USD ($) day $ / shares	Mar. 31, 2020 shares	Dec. 31, 2019 USD ($) $ / shares shares	Feb. 12, 2020 shares	Apr. 25, 2019 shares	Mar. 18, 2019 shares	Dec. 31, 2018 USD ($) $ / shares
Subsequent Event [Line Items]
Warrant exchange (in shares) | shares					3,593,714
Number of securities called by each warrant (in shares) | shares					15,120,898		3,897,010
Common stock, par value (in dollars per share) | $ / shares					$ 0.0001				$ 0.001
Subsequent Event
Subsequent Event [Line Items]
Number of securities called by warrants or rights (in shares) | shares				1,539,424
Warrant exchange (in shares) | shares				1,847,308.8
Common stock, par value (in dollars per share) | $ / shares	$ 0.0001
Shares of common stock, offer to amend outstanding warrants (in shares) | shares						12,346,631
Short-Term Warrants
Subsequent Event [Line Items]
Number of securities called by each warrant (in shares) | shares								4,181,068
Short-Term Warrants | Subsequent Event
Subsequent Event [Line Items]
Extension of exercise period	6 months
Number of securities called by each warrant (in shares) | shares	4,181,068
Convertible Notes Payable
Subsequent Event [Line Items]
Face amount of debt			$ 5,500,000		$ 5,500,000				$ 5,196,667
Conversion price (in dollars per share) | $ / shares			$ 3.25
Redemption price (as a percentage)			115.00%
Note payable, convertible debt			$ 5,000,000
Unamortized discount			$ 500,000
Interest rate			10.00%
Interest rate upon default			18.00%
Threshold trading days | day			20
Stock price trigger (in dollars per share) | $ / shares			$ 10.00
Conversion ratio			80.00%
Debt instrument, cap rate			19.99%
Convertible Notes Payable | Additional Note | Subsequent Event
Subsequent Event [Line Items]
Face amount of debt		$ 2,750,000
Conversion price (in dollars per share) | $ / shares		$ 3.25
Redemption price (as a percentage)		115.00%
Note payable, convertible debt		$ 2,500,000
Unamortized discount		$ 250,000
Interest rate		10.00%
Interest rate upon default		18.00%
Threshold trading days | day		20
Stock price trigger (in dollars per share) | $ / shares		$ 10.00
Conversion ratio		80.00%
Debt instrument, cap rate		19.99%
Interest rate increase for major defaults		15.00%
Interest rate increase for failure to obtain Noteholder's approval for certain equity issuances		10.00%
Equity issuance with anti-dilution, price reset or variable pricing features (less than)		$ 2,500,000
Interest rate increase for Minor Defaults		5.00%
Convertible Notes Payable | Debt Instrument, Redemption, Period One
Subsequent Event [Line Items]
Redemption price, amount			$ 500,000
Convertible Notes Payable | Debt Instrument, Redemption, Period One | Additional Note | Subsequent Event
Subsequent Event [Line Items]
Redemption price, amount		$ 500,000
Debt instrument, redemption period		6 months
Convertible Notes Payable | Debt Instrument, Redemption, Period Two
Subsequent Event [Line Items]
Redemption price, amount			$ 750,000
Convertible Notes Payable | Debt Instrument, Redemption, Period Two | Additional Note | Subsequent Event
Subsequent Event [Line Items]
Redemption price, amount		$ 750,000
Minimum | Convertible Notes Payable
Subsequent Event [Line Items]
Interest rate increase for major defaults			5.00%
Minimum | Convertible Notes Payable | Additional Note | Subsequent Event
Subsequent Event [Line Items]
Conversion price (in dollars per share) | $ / shares		$ 3.25