Acquisition (Tables)

9 Months Ended

Sep. 30, 2012

Acquisition [Abstract]

Summary of the purchase price allocation

Assets:
Cash	$	85
Accounts receivable		561
Other current assets		285
Goodwill		3,695
Intangible assets		4,815
Total assets		9,441
Liabilities:
Accrued expenses		160
Deferred revenue		312
Total liabilities		472
Net assets acquired	$	8,969

Summary of identifiable intangible assets acquired and their respective weighted average lives

			Useful
	Assigned		Life
	Value		(in years)
Customer relationships	$	3,605		7.5
Research content		1,080		1.5
Backlog		130		1.0
	$	4,815