Annual report pursuant to Section 13 and 15(d)

Income Taxes Income Taxes - Components of Income (Loss) Before Provision (Benefit) from Income Taxes (Details)

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Income Taxes Income Taxes - Components of Income (Loss) Before Provision (Benefit) from Income Taxes (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Schedule Of Income Before Income Tax Domestic And Foreign [Line Items]      
Domestic $ (12,770) $ (11,918) $ (13,775)
Foreign 439 (993) (1,256)
Loss before income taxes $ (12,331) $ (12,911) $ (15,031)