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Marketable Securities and Fair Value Measurements (Details 1) (USD $) | 6 Months Ended
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Jun. 30, 2013
Assumptions used to estimate the fair values of the common stock warrants |
Dividend yield | $ 0
Minimum [Member] |
Assumptions used to estimate the fair values of the common stock warrants |
Risk-free interest rate | 0.15%
Expected volatility | 63.00%
Expected life | 1 year 0 months
Maximum [Member] |
Assumptions used to estimate the fair values of the common stock warrants |
Risk-free interest rate | 1.41%
Expected volatility | 119.00%
Expected life | 5 years 2 months 14 days
OncoSec common stock warrants [Member] |
Assumptions used to estimate the fair values of the common stock warrants |
Risk-free interest rate | 0.66%
Expected volatility | 85.00%
Dividend yield | $ 0
OncoSec common stock warrants [Member] | Minimum [Member] |
Assumptions used to estimate the fair values of the common stock warrants |
Expected life | 3 years 3 months
OncoSec common stock warrants [Member] | Maximum [Member] |
Assumptions used to estimate the fair values of the common stock warrants |
Expected life | 3 years 9 months

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- Definition Amount of dividends expected to be paid to holders of the underlying shares or contracted instruments over the term of the instruments life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 + Details
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- Definition Period the instrument, asset or liability is expected to be 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 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 + Details
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- Definition Measure of dispersion, in percentage terms (for instance, the standard deviation or variance), for a given stock price. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 + Details
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- Definition Risk-free interest rate assumption used in valuing an instrument. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 + Details
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