CONVERTIBLE SENIOR NOTES - Convertible Debt (Details)	1 Months Ended			12 Months Ended
	Apr. 30, 2015 shares	Feb. 28, 2015 shares	Dec. 31, 2014 USD ($) item instrument $ / shares shares	Dec. 31, 2016 USD ($) shares	Dec. 31, 2015 USD ($) $ / shares shares	Dec. 31, 2014 USD ($) item $ / shares shares
Convertible Debt
Number of units issued | shares			85,350
Convertible notes issued			$ 8,500,000			$ 8,500,000
Number of instruments used as a basis for the fair value of a transaction | instrument			2
Additional paid in capital recorded						786,000
Net proceeds from the sale of the Notes			$ 8,000,000
Discounts and offering expenses			500,000			23,000
Senior Promissory Notes issued					$ 1,340,000
Warrants
Convertible Debt
Additional paid in capital recorded			800,000
Reduction to additional paid in capital			$ 100,000
Convertible Senior Notes.
Convertible Debt
Number of units issued to related parties | shares			23,750
Fair value of notes			$ 7,700,000			$ 7,700,000
Discounts and offering expenses			$ 400,000
Debt instrument interest rate (as a percent)			10.00%			10.00%
U.S. Treasury securities Floor (as a percent)			0.25%
Percentage of proceeds from the sale of assets held for repay debt			50.00%			50.00%
Amount held for repay debt			$ 250,000			$ 250,000
Percentage of convertible debt average VWAP			80.00%			80.00%
Number of business days considered for calculating average VWAP | item			30			30
Number of shares issued upon conversion | shares	2,600,000	2,600,000		2,625,000	2,625,000
Percentage of convertible shares on outstanding shares			9.30%
Debt instrument repurchase price percentage			100.00%
Aggregate principal amount				$ 2,600,000	$ 2,600,000
Remaining amount of notes available for conversion					5,900,000
Annual reduction in interest payments				200,000	$ 200,000
Convertible Senior Notes. | Maximum
Convertible Debt
Debt instrument interest rate (as a percent)			10.00%			10.00%
Conversion ratio (in shares)			100			100
Number of shares issued upon conversion | shares			8,535,000			8,535,000
Convertible share price (in dollars per share) | $ / shares			$ 0.32		$ 0.5485	$ 0.32
Convertible Senior Notes. | Minimum
Convertible Debt
Convertible share price (in dollars per share) | $ / shares					$ 0.3462
Non-convertible Promissory Note
Convertible Debt
Debt instrument interest rate (as a percent)					10.00%
Senior Promissory Notes issued				$ 1,300,000	$ 1,300,000