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Stock-Based Compensation (Details 3) (USD $) | 6 Months Ended
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Jun. 30, 2012
Summary of all warrant activity |
Number of options outstanding, Outstanding at January 1, 2012 | 19,324
Warrants, issued | 1,460,000
Warrants, exercised |
Number of options outstanding, Outstanding at June 30, 2012 | 1,471,200
Share based compensation weighted average exercise price, Outstanding at January 1, 2012 | $ 92.19
Weighted Average Exercise Price, issued | $ 4.26
Weighted Average Exercise Price, expired/forfeited | $ 69.36
Weighted Average Exercise Price, exercised |
Share based compensation weighted average exercise price, Outstanding at June 30, 2012 | $ 6.79
Warrant [Member] |
Summary of all warrant activity |
Number of options outstanding, Outstanding at January 1, 2012 | 5,405,606
Warrants, issued |
Warrants, expired/forfeited |
Warrants, exercised | (223,500)
Number of options outstanding, Outstanding at June 30, 2012 | 5,182,106
Share based compensation weighted average exercise price, Outstanding at January 1, 2012 | $ 1.57
Weighted Average Exercise Price, issued |
Weighted Average Exercise Price, expired/forfeited |
Weighted Average Exercise Price, exercised | $ 0.61
Share based compensation weighted average exercise price, Outstanding at June 30, 2012 | $ 1.61
Share Based Compensation Weighted Average Remaining Contractual Life | 2 years 5 months 12 days
Weighted averageremaining contractual life, Outstanding and exercisable, March 31, 2012 | 1 year 10 months 13 days

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- Definition For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired. + 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)(iv)(3)-(4) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Weighted average price of options that were either forfeited or expired. + 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)(iv)(3)-(4) -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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