Goodwill and Intangible Assets - Goodwill (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2012
Goodwill [Roll Forward]
Goodwill, begining balance	$ 19,079	$ 17,959
Impairment	(1,120)
Goodwill, ending balance	17,959	17,959
Caretools Inc. [Member]
Goodwill [Roll Forward]
Goodwill, begining balance	1,120	0
Impairment	(1,120)
Goodwill, ending balance	0	0
MedCafe, Inc. [Member]
Goodwill [Roll Forward]
Goodwill, begining balance	9,620	9,620
Impairment	0
Goodwill, ending balance	9,620	9,620
Modality, Inc. [Member]
Goodwill [Roll Forward]
Goodwill, begining balance	8,339	8,339
Impairment	0
Goodwill, ending balance	$ 8,339	$ 8,339