Annual report pursuant to Section 13 and 15(d)

Income Taxes (Components of Deferred Tax Assets and Liabilities) (Details)

v2.4.0.6
Income Taxes (Components of Deferred Tax Assets and Liabilities) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Deferred tax assets:    
Federal, state and foreign net operating loss carryforwards $ 54,923 $ 45,595
Federal and state credits 3,329 2,723
Deferred contract revenues 1,297 2,066
Stock compensation 4,464 5,327
Accrued compensation 2,090 3,224
Fixed assets 1,746 1,295
Acquired intangible assets 3,556 3,128
Unrealized gain/loss 166 0
Other 141 (3)
Total deferred tax assets: 71,712 63,355
Deferred tax liabilities:    
Other 0 (53)
Total deferred tax liabilities: 0 (53)
Valuation allowance (71,692) (63,128)
Net deferred tax assets $ 20 $ 174