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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2012
Income Taxes [Abstract] |
Income tax benefit attributable to our loss from operations |
|  | Year ended December 31, |
|  | 2012 |  |  | 2011 |
U.S. federal income tax benefit at statutory rates |  |  | (1,512 | ) |  | $ | (1,877 | )
State income tax benefit, net of federal benefit |  |  | (130 | ) |  |  | (161 | )
Research and experimentation credits |  |  | — |  |  |  | (71 | )
Settlement of liabilities assumed in the Merger |  |  | — |  |  |  | — |
Adjustment in tax basis of tangible and intangible assets acquired in the Merger |  |  | — |  |  |  | — |
Other |  |  | 196 |  |  |  | 154 |
Change in valuation allowance |  |  | 1,446 |  |  |  | 1,955 |
|  | $ | — |  |  | $ | — |
Net deferred tax assets |
|  | Year ended December 31, |
|  | 2012 |  |  | 2011 |
Deferred tax assets: |  |  |  |  |  |  |  |
Current deferred tax assets: |  |  |  |  |  |  |  |
Vacation accrual |  | $ | 26 |  |  | $ | 21 |
Total current deferred tax assets |  |  | 26 |  |  |  | 21 |
Valuation allowance |  |  | (26 | ) |  |  | (21 | )
Net current deferred tax assets |  | $ | — |  |  | $ | — |
Noncurrent deferred tax assets: |  |  |  |  |  |  |  |
Net operating loss carryforwards |  | $ | 37,295 |  |  | $ | 35,751 |
Charitable contribution carryforwards |  |  | 368 |  |  |  | 406 |
Research and experimentation credits |  |  | 687 |  |  |  | 687 |
Capitalized intangibles |  |  | 3,413 |  |  |  | 3,432 |
Stock based compensation |  |  | 416 |  |  |  | 399 |
Depreciation and amortization |  |  | 11 |  |  |  | 23 |
Other |  |  | 25 |  |  |  | 76 |
Total noncurrent deferred tax assets |  |  | 42,215 |  |  |  | 40,774 |
Valuation allowance |  |  | (42,215 | ) |  |  | (40,774 | )
Net noncurrent deferred tax assets |  | $ | — |  |  | $ | — |
Deferred tax liabilities: |  |  |  |  |  |  |  |
Current deferred tax liabilities |  | $ | — |  |  | $ | — |
Noncurrent deferred tax liabilities |  |  | — |  |  |  | — |
Net deferred tax liabilities |  | $ | — |  |  | $ | — |
Net noncurrent deferred tax assets |  | $ | — |  |  | $ | — |

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- Definition Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 + Details
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- Definition Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 + Details
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