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Stock-Based Compensation (Details 3) (USD $) | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Options Outstanding | 3,898,198 | 3,141,198 | 728,246
Options Outstanding, Weighted Average Remaining Life (years) | 5 years 10 months 6 days |  |
Options Outstanding, Weighted Average Exercise Price | $ 1.75 | $ 1.65 | $ 0.89
Number Exercisable | 1,298,198 | 791,198 |
Number Exercisable, Weighted Average Remaining Life (years) | 4 years 2 months 5 days |  |
Number Exercisable, Weighted Average Exercise Price | $ 1.39 | $ 1.08 |
Exercise Price $ 0.08 to $ 0.15 [Member] |  |  |
Options Outstanding | 80,000 |  |
Options Outstanding, Weighted Average Remaining Life (years) | 3 years 9 months |  |
Options Outstanding, Weighted Average Exercise Price | $ 0.12 |  |
Number Exercisable | 50,000 |  |
Number Exercisable, Weighted Average Remaining Life (years) | 3 years 7 months 24 days |  |
Number Exercisable, Weighted Average Exercise Price | $ 0.12 |  |
Exercise Price $ 0.51 to $ 1.11 [Member] |  |  |
Options Outstanding | 545,000 |  |
Options Outstanding, Weighted Average Remaining Life (years) | 1 year 25 days |  |
Options Outstanding, Weighted Average Exercise Price | $ 0.82 |  |
Number Exercisable | 515,000 |  |
Number Exercisable, Weighted Average Remaining Life (years) | 9 months 25 days |  |
Number Exercisable, Weighted Average Exercise Price | $ 0.81 |  |
Exercise Price $ 1.83 to $ 1.97 [Member] |  |  |
Options Outstanding | 2,130,000 |  |
Options Outstanding, Weighted Average Remaining Life (years) | 7 years |  |
Options Outstanding, Weighted Average Exercise Price | $ 1.87 |  |
Number Exercisable | 705,000 |  |
Number Exercisable, Weighted Average Remaining Life (years) | 6 years 7 months 17 days |  |
Number Exercisable, Weighted Average Exercise Price | $ 1.86 |  |
Exercise Price $ 2.00 to $ 2.40 [Member] |  |  |
Options Outstanding | 1,143,198 |  |
Options Outstanding, Weighted Average Remaining Life (years) | 6 years 1 month 17 days |  |
Options Outstanding, Weighted Average Exercise Price | $ 2.07 |  |
Number Exercisable | 28,198 |  |
Number Exercisable, Weighted Average Remaining Life (years) | 5 years 29 days |  |
Number Exercisable, Weighted Average Exercise Price | $ 2.40 |  |

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- Definition The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph b(1)(c), d(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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- Definition The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph b(1)(c) -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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- Definition Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding as of the balance sheet date, including vested options. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph b(1)(b) -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. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph b(1)(a) -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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- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph b(1)(a) -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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- Definition Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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