SUBSEQUENT EVENTS - Conversion of shares (Details)		1 Months Ended	12 Months Ended
	Oct. 31, 2016 shares	Jan. 31, 2017 shareholder shares	Dec. 31, 2015 shares	Feb. 01, 2017
Series B-1 Preferred Stock
Subsequent Event [Line Items]
Preferred stock converted to common stock (shares)	403,217
Series B-1 Preferred Stock | Subsequent event
Subsequent Event [Line Items]
Number of holders who converted shares | shareholder		2
Series A Preferred Stock
Subsequent Event [Line Items]
Preferred stock converted to common stock (shares)			17,476
Series A Preferred Stock | Subsequent event
Subsequent Event [Line Items]
Preferred stock converted to common stock (shares)		30,072
New shares as a result of stock conversion (shares)		30,072
Shareholder One | Series B-1 Preferred Stock | Subsequent event
Subsequent Event [Line Items]
Preferred stock converted to common stock (shares)		66,564
New shares as a result of stock conversion (shares)		66,564
Shareholder Two | Series B-1 Preferred Stock | Subsequent event
Subsequent Event [Line Items]
Preferred stock converted to common stock (shares)		10,000
New shares as a result of stock conversion (shares)		10,000
EBC Credit Agreement | Line of Credit | Tier Three | Subsequent event
Subsequent Event [Line Items]
Interest rate				14.00%