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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2012
Summary of Significant Accounting Policies [Abstract] |
Intangible Assets and Goodwill | The changes in the carrying amounts of other indefinite and finite-life intangible assets and goodwill for the years ended December 31, 2012 and 2011 are as follows:
|  | December 31, 2012 |
Other intangibles, net: |  |  |
Beginning balance |  | $ | 192,000 |
Amortization |  |  | (192,000 | )
Ending balance |  |  | — |
Goodwill, net: |  |  |  |
Beginning balance |  |  | 3,922,000 |
Increase (decrease) |  |  | — |
Ending balance |  |  | 3,922,000 |
Total goodwill and other intangibles, net |  | $ | 3,922,000 |
Cumulative amortization of other intangible assets |  | $ | 2,216,000 |
|  | December 31, 2011 |
Other intangibles, net: |  |  |
Beginning balance |  | $ | 413,000 |
Amortization |  |  | (221,000 | )
Ending balance |  |  | 192,000 |
Goodwill, net: |  |  |  |
Beginning balance |  |  | 3,922,000 |
Increase (decrease) |  |  | — |
Ending balance |  |  | 3,922,000 |
Total goodwill and other intangibles, net |  | $ | 4,114,000 |
Cumulative amortization of other intangible assets |  | $ | 2,024,000 |
Estimated Fair Value of Warrants | All future changes in the fair value of the warrants are recognized currently in earnings until such time as the warrants are exercised or expire in August 2013. These warrants are not traded in an active securities market, and as such, we estimated the fair value of these warrants using an option pricing model with the following assumptions:
|  | As of December 31, 2012 |  |  | As of December 31, 2011 |
Expected term |  | 0.61 years |  |  | 1.61 years |
Common stock market price |  | $ | 2.80 |  |  | $ | 2.20 |
Risk-free interest rate |  |  | 0.11 | % |  |  | 0.19 | %
Expected volatility |  |  | 73.88 | % |  |  | 69.98 | %
Resulting fair value (per warrant) |  | $ | 0.20 |  |  | $ | 0.32 |

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- Definition Tabular disclosure of goodwill and intangible assets, which may be broken down by segment or major class. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267 + Details
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- Definition Tabular disclosure of warrants or rights issued. Warrants and rights outstanding are derivative securities that give the holder the right to purchase securities (usually equity) from the issuer at a specific price within a certain time frame. Warrants are often included in a new debt issue to entice investors by a higher return potential. The main difference between warrants and call options is that warrants are issued and guaranteed by the company, whereas options are exchange instruments and are not issued by the company. Also, the lifetime of a warrant is often measured in years, while the lifetime of a typical option is measured in months. Disclose the title of issue of securities called for by warrants and rights outstanding, the aggregate amount of securities called for by warrants and rights outstanding, the date from which the warrants or rights are exercisable, and the price at which the warrant or right is exercisable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 50 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6406099&loc=d3e25284-112666 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph i -Article 4 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(i)) -URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 28 -Article 5 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 50 -Section S99 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6784392&loc=d3e188667-122775 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number D-98 -Paragraph 2 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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