Income Taxes (Narrative) (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards, domestic	$ 51,000,000
Operating Loss Carryforwards, Domestic, Utilized	5,700,000
Foreign	5,371,000	4,497,000	2,990,000
Deferred Tax Liabilities, Undistributed Foreign Earnings	91,800,000
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense	1,050,000
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	10,500,000
Income Tax Holiday, Income Tax Benefits Per Share	$ 0.270
Deferred Tax Assets, Net of Valuation Allowance, Noncurrent	18,640,000	11,540,000
India [Member] | Minimum Alternative Tax (“MAT”) [Member]
Operating Loss Carryforwards [Line Items]
Foreign statutory income tax rate	19.94%
Foreign income tax holiday, term	10 years
Income Taxes Paid	7,160,000
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	$ 1,300,000
Income Tax Holiday, Income Tax Benefits Per Share	$ 0.033