Rendering

Component: (Network and Table)
Network
4120 - Disclosure - Income Taxes (Details)
(http://www.a123systems.com/role/DisclosureIncomeTaxesDetails)
Table(Implied)
Slicers (applies to each fact value in each table cell)
Income TaxesPeriod [Axis]
2011-01-01 - 2011-12-31
2010-01-01 - 2010-12-31
2009-01-01 - 2009-12-31
Income Taxes
 
 
 
Components of provision for income taxes
 
 
 
Current tax expense
1,133,000  
875,000  
290,000  
Deferred tax expense/(benefit)
234,000  
(32,000) 
(12,000) 
Provision for income taxes
1,367,000  
 
843,000  
 
278,000  
 
Reconciling items from income tax computed at the statutory federal rate
 
 
 
Federal income tax at statutory rate (as a percent)
.340  
.340  
.340  
State income taxes, net of federal benefits (as a percent)
.025  
.026  
.028  
Permanent adjustments (as a percent)
(.018) 
.003  
(.023) 
Net research and development and other tax credits (as a percent)
.000  
.002  
.016  
Valuation allowance (as a percent)
(.331) 
(.360) 
(.358) 
Foreign (as a percent)
(.003) 
.001  
(.011) 
Other (as a percent)
(.018) 
(.018) 
.005  
Effective income tax rate (as a percent)
(.005) 
 
(.006) 
 
(.003) 
 
Significant components of the Company's deferred tax assets and liabilities
 
 
 
Net operating losses
179,245,000  
101,872,000  
 
Accruals, reversals and stock compensation
21,422,000  
17,304,000  
 
Deferred revenue
11,872,000  
10,688,000  
 
Credit carryforwards
4,051,000  
3,899,000  
 
Depreciation and amortization
4,169,000  
2,714,000  
 
Deferred tax assets before valuation allowance
220,759,000  
 
136,477,000  
 
 
 
Valuation allowance
(220,759,000) 
(136,243,000) 
 
Net deferred tax assets
 
 
234,000  
 
 
 
Accruals and reversals