DEBT - Narrative (Details)				12 Months Ended
	Mar. 08, 2019 USD ($) day $ / shares	Jan. 07, 2019 USD ($)	Jan. 29, 2018 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Mar. 31, 2019 USD ($)
Short-term Debt [Line Items]
Repurchased face amount				$ 7,790,557	$ 275,000
Loss on extinguishment of convertible note payable				(1,049,166)	0
Interest expense				1,067,379	2,513,475
Convertible Notes Payable
Short-term Debt [Line Items]
Face amount of debt	$ 5,500,000			5,500,000	5,196,667
Unamortized discount	500,000
Payments of financing costs	20,000
Proceeds from issuance of debt	$ 5,000,000
Interest rate	10.00%
Interest rate upon default	18.00%
Interest expense				1,100,000
Conversion price (in dollars per share) | $ / shares	$ 3.25
Redemption price (as a percentage)	115.00%
Debt issuance costs	$ 37,000
Estimated fair value of embedded derivative	$ 1,300,000
Less: principal payments of debt				(1,544,724)	0
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%
Note Purchase Agreement and Senior Note Payable
Short-term Debt [Line Items]
Face amount of debt			$ 4,800,000.0
Unamortized discount			1,800,000
Payments of financing costs			20,000
Proceeds from issuance of debt			$ 3,000,000
Interest rate			12.50%
Interest expense				0	$ 2,500,000
Senior Convertible Note
Short-term Debt [Line Items]
Face amount of debt				5,200,000.0
Payments of financing costs				$ 30,000
Interest rate				8.00%
Interest rate upon default				18.00%
Repurchased face amount		$ 1,049,167
Repayments of accrued interest convertible note payable		1,399
Loss on extinguishment of convertible note payable				$ 1,000,000
Consideration paid to noteholder		$ 250,000
Repurchased face amount						$ 5,200,000
Accrued interest on convertible note						$ 60,000
Minimum | Convertible Notes Payable
Short-term Debt [Line Items]
Interest rate to increase outstanding obligations	5.00%
Maximum | Convertible Notes Payable
Short-term Debt [Line Items]
Interest rate to increase outstanding obligations	15.00%
Debt Instrument, Redemption, Period One | Convertible Notes Payable
Short-term Debt [Line Items]
Redemption price, amount	$ 500,000
Debt instrument, redemption period	15 months
Debt Instrument, Redemption, Period Two | Convertible Notes Payable
Short-term Debt [Line Items]
Redemption price, amount	$ 750,000
Debt instrument, redemption period	6 months