SENIOR CONVERTIBLE PROMISSORY NOTES - Convertible Debt (Details)	1 Months Ended	3 Months Ended	12 Months Ended
	Dec. 31, 2014 USD ($) item installment $ / shares shares	Mar. 31, 2017 USD ($) shares	Dec. 31, 2015 USD ($) $ / shares shares
Convertible Debt
Number of units issued | shares	85,350
Convertible notes issued	$ 8,500,000
Number of instruments used as a basis for the fair value of a transaction | installment	2
Discounts and offering expenses	$ 500,000
Percentage of proceeds from the sale of assets held for repay debt	50.00%
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
Net proceeds from the sale of the Notes	$ 8,000,000
Discounts and offering expenses	$ 400,000
Debt instrument interest rate (as a percent)	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%
Amount held for repay debt	$ 250,000
Percentage of convertible debt average VWAP	80.00%
Number of business days considered for calculating average VWAP | item	30
Number of shares issued upon conversion | shares		2,625,000	2,625,000
Percentage of convertible shares on outstanding shares	9.30%
Convertible share price (in dollars per share) | $ / shares	$ 0.32
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 notes	$ 7,700,000
Convertible Senior Notes. | Maximum
Convertible Debt
Conversion ratio (in shares)	100
Number of shares issued upon conversion | shares	8,535,000
Convertible share price (in dollars per share) | $ / shares	$ 0.32		$ 0.5485
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