Annual report pursuant to Section 13 and 15(d)

Income Taxes (Tax Rate Reconciliation) (Details)

v2.4.0.6
Income Taxes (Tax Rate Reconciliation) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Income Tax Rate Reconciliation      
Tax benefit at federal statutory rate $ (10,399) $ (5,708) $ (2,858)
State taxes (1,063) (1,421) (245)
Research and development credits 0 (83) 56
Foreign operations taxed at different rates 7 (252) 117
Stock-based compensation 312 1,241 1,020
Other nondeductible items 204 650 630
Change in federal statutory rate 1,493 0 0
Change in valuation allowance 9,716 5,814 1,664
Total provision for income taxes $ 270 $ 241 $ 384