INTANGIBLE ASSETS AND OTHER ASSETS (Narratives) (Details) - USD ($)	3 Months Ended		12 Months Ended
	Sep. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items]
Impairment of intangible assets	$ 6,200,000	$ 0	$ 304,000
Impairment of long-lived assets	7,000,000
Impairment charge related to property and equipment	$ 800,000		0	$ 0
Amortization expense			200,000	$ 100,000
Patents
Finite-Lived Intangible Assets [Line Items]
Impairment of intangible assets			300,000
Patents | Abandonment
Finite-Lived Intangible Assets [Line Items]
Intangible asset carrying value			300,000
Patents | Disposed of by Sale
Finite-Lived Intangible Assets [Line Items]
Intangible asset carrying value			$ 200,000