INTANGIBLE ASSETS AND GOODWILL - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2016	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items]
Estimated useful life (in years)		6 years 9 months
Write off of fully amortized intangible assets		$ 3,200	$ 9,800
Share price	$ 0.44	$ 0.44			$ 0.93
Goodwill impairment	$ 55,613	$ 55,613	$ 0	$ 0
Minimum
Finite-Lived Intangible Assets [Line Items]
Estimated useful life (in years)		1 year
Maximum
Finite-Lived Intangible Assets [Line Items]
Estimated useful life (in years)		8 years