Income Taxes (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2011
Operating Loss Carryforwards [Line Items]
Unrecognized Tax Benefits, Period Increase (Decrease)	$ 578,000		$ 578,000
Income tax expense	(2,295,000)	2,840,000	(4,557,000)	1,271,000
Effective income tax rate			10.46%	8.83%
Operating loss carryforwards, domestic	53,600,000		53,600,000
Unrecognized Tax Benefits	3,758,000		3,758,000		3,180,000
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	$ 36,500,000		$ 36,500,000