PREFERRED STOCK AND DETACHABLE WARRANTS - Narrative (Details)		1 Months Ended	3 Months Ended		9 Months Ended
	Jun. 24, 2020 $ / shares	May 31, 2016 USD ($)	Sep. 30, 2019 USD ($) $ / shares shares	Sep. 30, 2018 USD ($)	Sep. 30, 2019 USD ($) $ / shares shares	Sep. 30, 2018 USD ($)	Dec. 31, 2018 USD ($) $ / shares shares	Jun. 24, 2017 $ / shares
Class of Stock [Line Items]
Preferred stock, shares authorized | shares			50,000,000		50,000,000		50,000,000
Preferred stock, par value (in dollars per share) | $ / shares			$ 0.001		$ 0.001
Liabilities at fair value			$ 1,149,977		$ 1,149,977		$ 1,481,692
Convertible preferred stock, beneficial conversion feature			5,737,796		5,737,796
Private placement fees					1,400,000
Dividends payable			$ 1,238,766	$ 2,284,121	$ 1,238,766	$ 2,284,121
Series A Preferred Stock
Class of Stock [Line Items]
Preferred stock, shares authorized | shares			5,000,000		5,000,000		5,000,000
Preferred stock, par value (in dollars per share) | $ / shares			$ 0.001		$ 0.001		$ 0.001
Preferred stock, shares issued | shares			419,859		419,859		419,859
Preferred stock, shares outstanding | shares			419,859		419,859		419,859
Series B Preferred Stock
Class of Stock [Line Items]
Temporary equity, shares authorized | shares			10,000,000		10,000,000		10,000,000
Temporary equity, shares issued | shares			3,769,505		3,769,505		3,604,827
Temporary equity, shares outstanding | shares			3,769,505		3,769,505		3,604,827
Preferred stock, dividend percentage					6.00%
Dividends per share (in dollars per share) | $ / shares					$ 3.10
Redemption price per share (in dollars per share) | $ / shares								$ 3.10
Temporary equity, warrants issued			$ 111,790		$ 111,790
Dividends payable			175,305		175,305		$ 167,642
Dividends paid in kind			$ 172,704	162,719	$ 510,502	489,282
Series B Preferred Stock | Liability
Class of Stock [Line Items]
Expected term (years)			1 year 6 months		1 year 6 months
Series B Preferred Stock | Liability | Expected Dividend Rate
Class of Stock [Line Items]
Warrant measurement input (as a percent)			0		0
Series B Preferred Stock | Liability | Risk Free Interest Rate
Class of Stock [Line Items]
Warrant measurement input (as a percent)			0.0169		0.0169
Series B Preferred Stock | Liability | Minimum | Expected Volatility Rate
Class of Stock [Line Items]
Warrant measurement input (as a percent)			0.66		0.66
Series B Preferred Stock | Liability | Maximum | Expected Volatility Rate
Class of Stock [Line Items]
Warrant measurement input (as a percent)			1.00		1.00
Series B Preferred Stock | Warrant
Class of Stock [Line Items]
Liabilities at fair value			$ 7,028,067		$ 7,028,067
Series B Preferred Stock | Forecast
Class of Stock [Line Items]
Redemption price per share (in dollars per share) | $ / shares	$ 3.10
Series B Preferred Stock | Forecast | Maximum
Class of Stock [Line Items]
Preferred stock, dividend percentage	10.00%
Series B1 Preferred Stock
Class of Stock [Line Items]
Temporary equity, shares authorized | shares			17,000,000		17,000,000		17,000,000
Temporary equity, shares issued | shares			10,417,966		10,417,966		10,057,597
Temporary equity, shares outstanding | shares			10,417,966		10,417,966		10,057,597
Preferred stock, dividend percentage					6.00%
Dividends per share (in dollars per share) | $ / shares					$ 1.56
Redemption price per share (in dollars per share) | $ / shares								$ 1.72
Convertible preferred stock, beneficial conversion feature		$ 2,371,106
Private placement fees		600,000
Temporary equity, warrants issued			$ 1,038,187		$ 1,038,187
Dividends payable			243,777		243,777		$ 235,360
Dividends paid in kind			$ 240,185	$ 460,035	$ 712,185	$ 1,736,240
Series B1 Preferred Stock | Liability
Class of Stock [Line Items]
Expected term (years)			2 years 6 months		2 years 6 months
Series B1 Preferred Stock | Liability | Expected Dividend Rate
Class of Stock [Line Items]
Warrant measurement input (as a percent)			0		0
Series B1 Preferred Stock | Liability | Risk Free Interest Rate
Class of Stock [Line Items]
Warrant measurement input (as a percent)			0.0160		0.0160
Series B1 Preferred Stock | Liability | Minimum | Expected Volatility Rate
Class of Stock [Line Items]
Warrant measurement input (as a percent)			0.66		0.66
Series B1 Preferred Stock | Liability | Maximum | Expected Volatility Rate
Class of Stock [Line Items]
Warrant measurement input (as a percent)			1.00		1.00
Series B1 Preferred Stock | Warrant
Class of Stock [Line Items]
Liabilities at fair value		$ 2,867,264
Series B1 Preferred Stock | Forecast
Class of Stock [Line Items]
Redemption price per share (in dollars per share) | $ / shares	$ 1.56
Series B1 Preferred Stock | Forecast | Maximum
Class of Stock [Line Items]
Preferred stock, dividend percentage	10.00%