Goodwill (Tables)

6 Months Ended

Jun. 30, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Roll Forward of Goodwill Activity by Reportable Segment

A rollforward of goodwill activity by reportable segment is as follows (in thousands):

	Consolidated reporting unit			Detection			Therapy			Total
Accumulated Goodwill		47,937		$	—		$	—			47,937
Accumulated impairment		(26,828	)		—			—			(26,828	)
Fair value allocation		(21,109	)		7,663			13,446			—
Acquisition of DermEbx and Radion		—			—			6,154			6,154
Acquisition measurement period adjustments		—			—			116			116
Acquisition of VuComp		—			1,093			—			1,093
Sale of MRI assets		—			(394	)					(394	)
Impairment		—			—			(19,716	)		(19,716	)
Prior to December 31, 2019		—			8,362			—			8,362
Balance at June 30, 2020	$	—		$	8,362		$	—		$	8,362