Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2012

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

Financial assets and liabilities measured at fair value on a recurring basis

The following table presents the Company’s assets and liabilities that are measured at fair value on a recurring basis as of December 31, 2012:



	Fair Value Measurements at
	December 31, 2012
	Total		Using Quoted Prices in Active Markets for Identical Assets (Level 1)		Using Significant Other Unobservable Inputs (Level 2)		Using Significant Unobservable Inputs (Level 3)
Assets:
Money market funds	$	1,686,406	$	1,686,406			$	—
Mutual funds	7,583,931		—		7,583,931		—
Certificates of deposit	250,000		—		250,000		—
Municipal bonds	200,070		—		200,070		—
Investment in affiliated entity	10,703,332		10,703,332		—		—
Common stock warrants	267,200		—		—		267,200
Total Assets	$	20,690,939	$	12,389,738	$	8,034,001	$	267,200
Liabilities:
Common stock warrants	$	2,859,899	$	—	$	—	$	2,859,899
Total Liabilities	$	2,859,899	$	—	$	—	$	2,859,899

The following table presents the Company’s assets and liabilities that are measured at fair value on a recurring basis as of December 31, 2011:



	Fair Value Measurements at
	December 31, 2011
	Total		Using Quoted Prices in Active Markets for Identical Assets (Level 1)		Using Significant Other Unobservable Inputs (Level 2)		Using Significant Unobservable Inputs (Level 3)
Assets:
Money market funds	$	16,330,885	$	16,330,885	$	—	$	—
Mutual funds	6,037,115		—		6,037,115		—
Certificates of deposit	5,768,304		—		5,768,304		—
Municipal bonds	1,058,001		—		1,058,001		—
Investment in affiliated entity	9,071,513		9,071,513		—		—
Common stock warrants	100,000		—		—		100,000
Total Assets	$	38,365,818	$	25,402,398	$	12,863,420	$	100,000
Liabilities:
Common stock warrants	$	5,176,319	$	—	$	—	$	5,176,319
Total Liabilities	$	5,176,319	$	—	$	—	$	5,176,319

Assumptions used to estimate the fair values of the common stock warrants

The range of assumptions used to estimate the fair values of common stock warrants at December 31, 2012 are presented below:



Risk-free interest rate	0.18%-0.36%
Expected volatility	61%-116%
Expected life in years	1.5-3.93
Dividend yield	—

Change in fair value of the financial assets

The following table presents a summary of changes in fair value of the Company’s total Level 3 financial assets for the years ended December 31, 2012 and 2011:



	Year Ended			Year Ended
	December 31, 2012			December 31, 2011
Balance at beginning of year	$	100,000		$	—
Common stock warrant recorded at fair value upon acquisition	501,000			237,000
Decrease in fair value included in change in fair value of common stock warrants	(333,800		)	(137,000		)
Balance at end of year	$	267,200		$	100,000

Changes in fair value of the financial liabilities

The following table presents the changes in fair value of the Company’s total Level 3 financial liabilities for the years ended December 31, 2012 and 2011:



	Year Ended			Year Ended			Year Ended
	December 31, 2012			December 31, 2011			December 31, 2010
Balance at beginning of year	$	5,176,319		$	370,926		$	2,774,850
Record fair value of warrants issued in January 2011 financing	—			11,727,372			—
Record fair value of warrants issued in December 2011 financing	—			1,905,679			—
Decrease in fair value included in change in fair value of common stock warrants	(2,316,420		)	(8,827,658		)	(2,403,924		)
Balance at end of year	$	2,859,899		$	5,176,319		$	370,926

OncoSec [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

Assumptions used to estimate the fair values of the common stock warrants

The assumptions used to estimate the fair values of the OncoSec common stock warrants at December 31, 2012 are presented below:



Risk-free interest rate	0.36%
Expected volatility	85%
Expected life in years	3.75-4.25
Dividend yield	—

- Definition

Tabular disclosure of the fair value measurement of assets using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes during the period attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets) and gains or losses recognized in other comprehensive income (loss), and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs), by class of asset.

+ References+ Details

- Definition

Tabular disclosure of the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments, assets, and liabilities. Such certain disclosures about the financial instruments, assets, and liabilities include: (1) the fair value of the required items together with their carrying amounts (as appropriate) and (2) the methodology and assumptions used in developing such estimates of fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 107

-Paragraph 14

-Subparagraph 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.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 159

-Paragraph 18

-Subparagraph c(2), d, e, f

-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 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 10

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13433-108611

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 107

-Paragraph 15

-Subparagraph b-d

-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 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 11

-URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13467-108611

Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 159

-Paragraph 19

-Subparagraph a, b, c(1), d(1)

-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 7: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258

Reference 8: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6447952&loc=d3e13220-108610

Reference 9: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 157

-Paragraph 32

-Subparagraph a, c(1), c(2), c(3), d

-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 10: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 107

-Paragraph 10

-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 11: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 12

-URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13476-108611

Reference 12: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 30

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6957238&loc=d3e14172-108612

+ Details

- Definition

Tabular disclosure of the fair value measurement of liabilities using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets), and gains or losses recognized in other comprehensive income (loss) and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs) by class of liability.

+ References+ Details