Income Taxes (Narrative) (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards, domestic	$ 53,400,000
Operating Loss Carryforwards, Domestic, Utilized	6,300,000
Foreign	4,497,000	2,990,000	1,409,000
Deferred Tax Liabilities, Undistributed Foreign Earnings	71,800,000
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense	629,000
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
Income Tax Holiday, Aggregate Dollar Amount	12,300,000
Income Tax Holiday, Income Tax Benefits Per Share	$ 0.315
Deferred Tax Assets, Net of Valuation Allowance, Noncurrent	11,500,000	6,700,000
India [Member] | Minimum Alternative Tax (“MAT”) [Member]
Operating Loss Carryforwards [Line Items]
Foreign statutory income tax rate	19.94%
Foreign income tax holiday, term	7 years
Income Taxes Paid	7,000,000
Singapore [Member]
Operating Loss Carryforwards [Line Items]
Foreign statutory income tax rate	17.00%
Foreign effective income tax rate	10.00%
Income Tax Holiday, Aggregate Dollar Amount	1,800,000
Income Tax Holiday, Income Tax Benefits Per Share	$ 0.045
ADAM [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards, domestic	$ 35,000,000