Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2012

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Intangible Assets and Goodwill [Table Text Block]

		As of December 31, 2012						As of December 31, 2011
	Life (Years)	Carrying Amount		Accumulated Amortization		Net		Carrying Amount		Accumulated Amortization		Net
Group DCA
Technology	6	$	—	$	—	$	—	$	4,097	$	797	$	3,300
Healthcare professional database	10	—		—		—		2,203		257		1,946
Corporate tradename	N/A	—		—		—		2,063		—		2,063
Total		$	—	$	—	$	—	$	8,363	$	1,054	$	7,309