Annual report pursuant to Section 13 and 15(d)

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

v3.3.1.900
Income Taxes - Components of Deferred Tax Assets and Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Deferred tax assets:    
Net operating losses $ 70,005 $ 70,666
Federal and state credits 4,671 4,421
Deferred revenues 3,357 2,697
Stock-based compensation 3,460 2,988
Reserves and accruals 2,713 2,701
Depreciation 2,377 2,295
Intangible assets 5,127 4,639
Capital losses 933 933
Unrealized gain/loss 126 148
Other assets 98 101
Total deferred tax assets: 92,867 91,589
Deferred tax liabilities:    
Other (199) (186)
Total deferred tax liabilities: (199) (186)
Valuation allowance (92,762) (91,513)
Net deferred tax liabilities $ (94) $ (110)