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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2012
Income Tax Disclosure [Abstract] |
Schedule of Income Tax Expense |
|  | Years Ended December 31,
|  | 2012 |  | 2011 |  | 2010
Current: |  |  |  |  |  |  |  |  |  |  |  |
Federal |  | $ | — |  |  | $ | — |  |  | $ | — |
State |  |  | — |  |  |  | — |  |  |  | — |
Total Current |  |  | — |  |  |  | — |  |  |  | — |
Deferred: |  |  |  |  |  |  |  |  |  |  |  |
Federal |  |  | 31,940 |  |  |  | 31,940 |  |  |  | 15,515 |
State |  |  | — |  |  |  | — |  |  |  | — |
Total Deferred |  |  | 31,940 |  |  |  | 31,940 |  |  |  | 15,515 |
Total provision for deferred tax |  | $ | 31,940 |  |  | $ | 31,940 |  |  | $ | 15,515 |
Schedule of Effective Income Tax Rate Reconciliation |
|  | Years Ended December 31,
|  | 2012 |  | 2011 |  | 2010
Federal tax at statutory rate |  |  | 34.00 | % |  |  | 34.00 | % |  |  | 34.00 | %
State income tax rate |  |  | 5.83 | % |  |  | 5.83 | % |  |  | 5.83 | %
Losses and credits not benefited |  |  | (38.85 | %) |  |  | (38.49 | %) |  |  | (39.44 | %)
Goodwill impairment |  |  | — |  |  |  | — |  |  |  | — |
Provision for taxes |  |  | 0.98 | % |  |  | 1.34 | % |  |  | 0.39 | %
Schedule of Deferred Tax Assets and Liabilities |
|  | Years Ended December 31,
Deferred tax assets: |  | 2012 |  | 2011
Net operating loss carryforwards |  | $ | 10,902,000 |  |  | $ | 10,956,000 |
Credits |  |  | 634,000 |  |  |  | 635,000 |
Capitalized research and development costs |  |  | 446,000 |  |  |  | 562,000 |
Other acquired intangibles |  |  | 184,000 |  |  |  | 203,000 |
Accruals not currently deductible |  |  | 1,265,000 |  |  |  | 1,535,000 |
Total deferred tax assets |  |  | 13,431,000 |  |  |  | 13,891,000 |
Valuation allowance for deferred tax assets |  |  | (13,417,395 | ) |  |  | (13,882,515 | )
Net deferred tax assets |  |  | 13,605 |  |  |  | 8,485 |
Deferred tax liability: |  |  |  |  |  |  |  |
Acquired intangibles |  |  | (93,000 | ) |  |  | (56,000 | )
Net deferred tax liabilities |  | $ | (79,395 | ) |  | $ | (47,515 | )
Schedule of Unrecognized tax benefits ("UTBs") |
|  | Amount
Beginning balance at January 1, 2012 |  | $ | 635,000 |
Decreases in UTBs taken in prior years |  |  | (1,000 | )
Decreases in UTBs taken in current year |  |  | (1,000 | )
Amount related to settlements |  |  | — |
Amount related to lapsing of statute of limitations |  |  | — |
Ending balance at December 31, 2012 |  | $ | 633,000 |

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- Definition Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319 + Details
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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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