Income Taxes (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011
Operating Loss Carryforwards [Line Items]
Income tax expense	$ (2,162,000)	$ (1,103,000)	$ (6,719,000)	$ 168,000
Effective income tax rate			10.35%	8.94%
Operating loss carryforwards, domestic	53,500,000		53,500,000
Unrecognized Tax Benefits	4,391,000		4,391,000		3,180,000
Unrecognized tax benefits, period increase (decrease)	1,200,000		1,211,000
India [Member]
Operating Loss Carryforwards [Line Items]
Foreign tax holiday (percentage)			50.00%
Foreign statutory income tax rate			33.99%
Foreign income tax holiday, term			5 years
Singapore [Member]
Operating Loss Carryforwards [Line Items]
Foreign statutory income tax rate			17.00%
Foreign effective income tax rate			10.00%
ADAM
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards, domestic	$ 35,900,000		$ 35,900,000