Segment Reporting (Segment Reporting) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013
Segments, Geographical Areas [Abstract]
Operating (loss) income	$ (5,829)	$ (678)	$ (11,347)	$ (2,183)
Assets	476,306		476,306		217,157
U.S. Medical
Segments, Geographical Areas [Abstract]
Operating (loss) income	(6,205)	(625)	(11,587)	(2,546)
Assets	441,813		441,813		198,639
International Medical
Segments, Geographical Areas [Abstract]
Operating (loss) income	376	(53)	240	363
Assets	$ 34,493		$ 34,493		$ 18,518