STOCKHOLDERS' EQUITY - Preferred Stock (Details)													1 Months Ended	2 Months Ended	3 Months Ended		9 Months Ended
	Sep. 19, 2016 USD ($) $ / shares shares	Jul. 26, 2016 USD ($) $ / shares shares	Jul. 07, 2016 shares	Jul. 01, 2016 shares	Jun. 29, 2016 shares	Jun. 27, 2016 shares	Jun. 09, 2016 USD ($) shares	Apr. 29, 2016 USD ($) $ / shares shares	Jan. 20, 2016 shares	Jan. 19, 2016 USD ($) $ / shares	Nov. 04, 2015 USD ($)	Feb. 19, 2015 USD ($) d $ / shares shares	Jun. 30, 2013 USD ($) $ / shares shares	Jun. 30, 2016 USD ($) shares	Sep. 30, 2016 USD ($) $ / shares shares	Sep. 30, 2015 USD ($) shares	Sep. 30, 2016 USD ($) $ / shares shares	Sep. 30, 2015 USD ($)	Sep. 21, 2016 USD ($) $ / shares	Sep. 14, 2016 USD ($) shares	Jul. 13, 2016 USD ($) shares	Dec. 31, 2015 USD ($) $ / shares shares	Aug. 31, 2013 USD ($) shares	Jun. 17, 2013 USD ($) shares
Class of Stock [Line Items]
Preferred stock, shares authorized (in shares)															25,000,000		25,000,000
Preferred stock, par value (in dollars per share) | $ / shares															$ 0.0001		$ 0.0001
Make-whole dividend liability | $															$ 662,164		$ 662,164					$ 849,560
Preferred Stock [Member]
Class of Stock [Line Items]
Dividends Payable | $															$ 0		$ 0
Series A Preferred Stock [Member]
Class of Stock [Line Items]
Preferred stock, shares authorized (in shares)															750,000		750,000					750,000
Preferred stock, par value (in dollars per share) | $ / shares															$ 0.0001		$ 0.0001					$ 0.0001
Preferred stock, shares outstanding (in shares)															165,541		165,541					212,390
Preferred stock, shares issued (in shares)													750,000		750,000		750,000					750,000	625,000	125,000
Share price (in dollars per share) | $ / shares													$ 8.00
Preferred stock, issued | $													$ 6,000,000		$ 17		$ 17					$ 21
Preferred stock, dividend rate													8.00%				8.00%
Preferred stock, dividend rate, share price percentage to market price																	10.00%
Preferred stock, dividend issuance term																	4 years
Preferred stock, conversion, required common share price (in dollars per share) | $ / shares															$ 232		$ 232
Preferred stock, conversion, required common share price, term																	20 days
Preferred stock, redemption price per share (in dollars per share) | $ / shares															$ 8.00		$ 8.00
Shares issued upon conversion (in shares)															1		1
Shares converted (in shares)																	46,849
Stock dividends (in shares)																	6,940,593
Series B-1 and B-2 Preferred Stock [Member]
Class of Stock [Line Items]
Preferred stock, shares authorized (in shares)															2,000		2,000
Series B-1 Preferred Stock [Member]
Class of Stock [Line Items]
Preferred stock, shares outstanding (in shares)															0		0
Series B-2 Preferred Stock [Member]
Class of Stock [Line Items]
Preferred stock, shares outstanding (in shares)															0		0
Series C Preferred Stock [Member]
Class of Stock [Line Items]
Preferred stock, shares authorized, designated															690		690
Preferred stock, shares outstanding (in shares)															0		0
Series D Preferred Stock [Member]
Class of Stock [Line Items]
Preferred stock, shares authorized, designated															3,000		3,000
Preferred stock, shares outstanding (in shares)															0		0
Series D-1 Preferred Stock [Member]
Class of Stock [Line Items]
Preferred stock, shares authorized, designated															2,500		2,500
Preferred stock, shares outstanding (in shares)															0		0
Series D-1 Preferred Stock [Member] | Embedded derivative financial instruments [Member]
Class of Stock [Line Items]
Derivative - expected annual volatility																		45.00%
Derivative - present value of discount rate																		12.00%
Derivative - expected dividend rate																		0.00%
Derivative - expected life																		2 months 12 days
Series D-1 Preferred Stock [Member] | Private placement [Member]
Class of Stock [Line Items]
Preferred stock, dividend rate												7.00%
Shares converted (in shares)																2,500
Issuance of common stock (in shares)												2,500
Proceeds from issuance of stock | $												$ 2,500,000
Conversion of stock, amount converted | $																$ 2,500,000
Preferred stock, dividend rate on occurrence of events												15.00%
Preferred dividends, cash | $																$ 6,944
Stock dividends (in shares)																195
Series D-1 Preferred Stock [Member] | Private placement [Member] | Embedded derivative financial instruments [Member] | Convertible preferred stock subject to mandatory redemption [Member]
Class of Stock [Line Items]
Make-whole dividend liability | $												$ 3,400,000				$ 0		$ 0
Gain on change in fair value of derivative | $																		$ 2,700,000
Series D-1 Preferred Stock [Member] | Private placement [Member] | Convertible notes And Series D Preferred Stock, alternate conversion [Member]
Class of Stock [Line Items]
Issuance of common stock (in shares)																115,292
Series E Preferred Stock [Member]
Class of Stock [Line Items]
Preferred stock, shares authorized, designated															2,800		2,800
Preferred stock, shares outstanding (in shares)															214		214
Preferred stock, dividend rate											7.00%
Shares converted (in shares)																	2,108
Conversion of shares (in shares)																	29,676,932
Preferred dividends, cash | $																	$ 61,553
Stock dividends (in shares)																	1,408,384
Series E Preferred Stock [Member] | Embedded derivative financial instruments [Member]
Class of Stock [Line Items]
Derivative - expected annual volatility																	62.00%
Derivative - present value of discount rate																	12.00%
Derivative - expected dividend rate																	0.00%
Series E Preferred Stock [Member] | Private placement [Member]
Class of Stock [Line Items]
Proceeds from issuance of stock | $											$ 2,800,000
Series E Preferred Stock [Member] | Private placement [Member] | Embedded derivative financial instruments [Member]
Class of Stock [Line Items]
Make-whole dividend liability | $															$ 288,000		$ 288,000					$ 553,000
Series F Preferred Stock [Member]
Class of Stock [Line Items]
Preferred stock, shares authorized, designated															7,000		7,000
Preferred stock, shares outstanding (in shares)															336		336
Preferred stock, dividend rate										7.00%
Series F Preferred Stock [Member] | Embedded derivative financial instruments [Member]
Class of Stock [Line Items]
Derivative - expected annual volatility																	62.00%
Derivative - present value of discount rate																	12.00%
Derivative - expected dividend rate																	0.00%
Series F Preferred Stock [Member] | Private placement [Member]
Class of Stock [Line Items]
Preferred stock, dividend rate										7.00%
Shares converted (in shares)																	6,664
Issuance of common stock (in shares)									7,000
Proceeds from issuance of stock | $										$ 7,000,000
Convertible preferred stock, conversion price (in dollars per share) | $ / shares										$ 5
Preferred dividends, cash | $															$ 140,923
Stock dividends (in shares)															3,614,791
Series F Preferred Stock [Member] | Private placement [Member] | Embedded derivative financial instruments [Member]
Class of Stock [Line Items]
Make-whole dividend liability | $										$ 1,666,000					$ 350,000		$ 350,000
Gain on change in fair value of derivative | $																	$ 1,315,000
Series G Preferred Stock [Member]
Class of Stock [Line Items]
Preferred stock, shares authorized, designated															2,000		2,000
Preferred stock, shares outstanding (in shares)															2,000		2,000
Preferred stock, redemption price per share (in dollars per share) | $ / shares		$ 1,000						$ 1,000
Series G Preferred Stock [Member] | Embedded derivative financial instruments [Member]
Class of Stock [Line Items]
Derivative - expected annual volatility																	76.00%
Derivative - present value of discount rate																	12.00%
Derivative - expected dividend rate																	0.00%
Series G Preferred Stock [Member] | Private placement [Member]
Class of Stock [Line Items]
Preferred stock, dividend rate								10.00%
Issuance of common stock (in shares)								500						1,500
Proceeds from issuance of stock | $								$ 2,000,000						$ 1,500,000
Convertible preferred stock, conversion price (in dollars per share) | $ / shares								$ 1											$ 0.045
Series G Preferred Stock [Member] | Private placement [Member] | Embedded derivative financial instruments [Member]
Class of Stock [Line Items]
Make-whole dividend liability | $															$ 1,301,471		$ 1,301,471		$ 1,262,950
Gain on change in fair value of derivative | $																	$ 38,521
Series H Preferred Stock [Member]
Class of Stock [Line Items]
Preferred stock, shares authorized, designated															2,500		2,500
Preferred stock, shares outstanding (in shares)															0		0				830
Preferred stock, dividend rate							7.00%
Series H Preferred Stock [Member] | Embedded derivative financial instruments [Member]
Class of Stock [Line Items]
Derivative - expected annual volatility																	73.00%
Derivative - present value of discount rate																	12.00%
Derivative - expected dividend rate																	0.00%
Series H Preferred Stock [Member] | Private placement [Member]
Class of Stock [Line Items]
Issuance of common stock (in shares)			150	55	125	250	250
Proceeds from issuance of stock | $							$ 2,500,000
Series H Preferred Stock [Member] | Private placement [Member] | Embedded derivative financial instruments [Member]
Class of Stock [Line Items]
Make-whole dividend liability | $							$ 146,000								$ 6,243,627		$ 6,243,627				$ 3,155,390
Series H Preferred Stock [Member] | Private placement [Member] | Embedded derivative financial instruments [Member] | Convertible preferred stock subject to mandatory redemption [Member]
Class of Stock [Line Items]
Gain on change in fair value of derivative | $																	$ 126,000
Series I Preferred Stock [Member]
Class of Stock [Line Items]
Preferred stock, shares authorized (in shares)															1,000		1,000
Preferred stock, shares authorized, designated															1,000		1,000
Preferred stock, shares outstanding (in shares)															251		251
Preferred stock, shares issued (in shares)															251		251			75		0
Preferred stock, issued | $															$ 117,029		$ 117,029					$ 0
Preferred stock, redemption price per share (in dollars per share) | $ / shares		$ 1,000
Series I Preferred Stock [Member] | Embedded derivative financial instruments [Member]
Class of Stock [Line Items]
Derivative - expected annual volatility																	66.00%
Derivative - present value of discount rate																	12.00%
Derivative - expected dividend rate																	0.00%
Series I Preferred Stock [Member] | Private placement [Member]
Class of Stock [Line Items]
Preferred stock, dividend rate		10.00%
Shares converted (in shares)																	210
Conversion of shares (in shares)																	6,988,353
Issuance of common stock (in shares)		536
Proceeds from issuance of stock | $		$ 536,000
Convertible preferred stock, conversion price (in dollars per share) | $ / shares		$ 0.03
Preferred dividends, cash | $															$ 349
Stock dividends (in shares)															11,647
Series I Preferred Stock [Member] | Private placement [Member] | Embedded derivative financial instruments [Member]
Class of Stock [Line Items]
Make-whole dividend liability | $															$ 67,758		$ 67,758			$ 32,814
Gain on change in fair value of derivative | $																	$ 34,944
Series J Preferred Stock [Member]
Class of Stock [Line Items]
Preferred stock, shares authorized (in shares)															1,350		1,350
Preferred stock, shares authorized, designated															1,350		1,350
Preferred stock, shares outstanding (in shares)															575		575
Preferred stock, shares issued (in shares)															575		575					0
Preferred stock, issued | $															$ 575,000		$ 575,000					$ 0
Preferred stock, dividend rate	10.00%
Preferred stock, redemption price per share (in dollars per share) | $ / shares	$ 1,000
Series J Preferred Stock [Member] | Private placement [Member]
Class of Stock [Line Items]
Issuance of common stock (in shares)	225
Proceeds from issuance of stock | $	$ 1,350,000
Convertible preferred stock, conversion price (in dollars per share) | $ / shares	$ 0.015
Common stock [Member]
Class of Stock [Line Items]
Preferred stock, issued | $																							$ 5,000,000	$ 1,000,000
Number of securities called by warrants (in shares)													13,125										10,938	2,187
Conversion of shares (in shares)																	6,942,936
Common stock [Member] | Private placement [Member]
Class of Stock [Line Items]
Conversion of shares (in shares)																	87,136,309
Common stock [Member] | Private placement [Member] | Series D-1 Preferred Stock And warrants, installment conversion [Member]
Class of Stock [Line Items]
Convertible preferred stock, conversion price (in dollars per share) | $ / shares												$ 46.20
Convertible preferred stock, conversion ratio												0.85
Threshold, consecutive trading days | d												5