COMMITMENTS AND CONTINGENCIES (Details)	9 Months Ended		12 Months Ended
	Sep. 30, 2015 USD ($)	Mar. 26, 2015 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Mar. 27, 2015 ft²	Jul. 01, 2014 ft²	Jun. 24, 2014 ft²
Future minimum annual payments
2017			$ 305,000
2018			25,000
Thereafter			0
Total minimum lease payments			330,000
Operating Leases, Rent Expense, Net [Abstract]
Lease expense			$ 800,000	$ 600,000	$ 400,000
Building
Operating Leased Assets [Line Items]
Area of space leased | ft²								18,000
Annual rent increase (percent)	3.00%
Building | Lease Agreement Phase One
Operating Leased Assets [Line Items]
Area of space leased | ft²							2,300
Monthly lease rent		$ 5,900
Building | Lease Agreement Phase Two
Operating Leased Assets [Line Items]
Area of space leased | ft²						15,600
Monthly lease rent	$ 18,200