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INTANGIBLE ASSETS AND GOODWILL (Notes)	12 Months Ended
INTANGIBLE ASSETS AND GOODWILL (Notes)	Dec. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract]
INTANGIBLE ASSETS AND GOODWILL	INTANGIBLE ASSETS AND GOODWILL Intangible Assets Amortization expense related to intangible assets in the aggregate was $0.0 million, $4.4 million, and $9.3 million for the years ended December 31, 2020, 2019, and 2018, respectively. As of June 30, 2019, intangible assets were fully amortized. Goodwill The acquisition of Orad resulted in goodwill of $32.6 million in 2015. Through the evaluation of the discrete financial information that is regularly reviewed by the chief operating decision makers (our chief executive officer and chief financial officer), we have determined that we have one reportable segment. We have stockholders’ deficit of $132.9 million as of December 31, 2020. As the goodwill of our reporting unit has a negative carrying value, it will not be impaired.