Available-For-Sale Securities, Ownership Percentage

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Class of Warrant or Right, Term

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Collaborative Agreement, Expenses To Reimburse

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Collaborative Arrangement, Term

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Deferred revenue from affiliated entity.

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Deferred revenue from affiliated entity recognized period.

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Future Payments to be Received from Sale of Intangible Assets

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Maximum Amount of Additional Equity Fundraising

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Receivable from sale of Intangible Assets

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Related party transactions.

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Exercise price of the warrants.

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Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

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For an unclassified balance sheet, amounts due from related parties other than affiliates, employees, joint ventures, officers or stockholders.

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The aggregate obligations owed to related parties other than affiliates, officers or stockholders (for example, owner's immediate families or employee pension trusts) at the financial statement date.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

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Balance held at close of period in number of shares.

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The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

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Aggregate carrying amount, as of the balance sheet date, of noncurrent assets not separately disclosed in the balance sheet. Noncurrent assets are expected to be realized or consumed after one year (or the normal operating cycle, if longer).

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Cash received from licensees for license fees during the current period.

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Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

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Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

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Related Party Transactions (Details) - USD ($)					1 Months Ended	3 Months Ended
Related Party Transactions (Details) - USD ($)	Mar. 16, 2016	Mar. 24, 2012	Sep. 28, 2011	Mar. 24, 2010	May. 31, 2015	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015	Aug. 01, 2015	Jun. 30, 2015	May. 31, 2014
Related-Party Transactions (Textual) [Abstract]
Long-term other assets						$ 1,034,753		$ 676,803
Subsidiary ownership percentage by parent										91.00%	85.00%
Receivable from sale of intangible assets					$ 1,000,000
Future payments to be received from sale of intangible assets					$ 1,000,000
Equity ownership percentage after transaction										20.00%
Maximum amount of additional equity fundraising										$ 10,000,000
Ownership of investment						16.90%
Carrying value of investment						$ 5,000,000					$ 0
Available-for-sale Securities
Related-Party Transactions (Textual) [Abstract]
Investment owned (shares)						395,758
Available-for-sale Securities \| VGX International [Member]
Related-Party Transactions (Textual) [Abstract]
Investment owned (shares)									465,364
GeneOne Life Sciences [Member]
Related-Party Transactions (Textual) [Abstract]
Payment received for license granted				$ 3,000,000
Deferred revenue from affiliated entity				$ 3,000,000
Period over which deferred revenue from affiliated entity will be recognized in years				8 years
Revenue from related parties						$ 113,000	$ 113,000
Operating expenses related to affiliated entity						212,000	$ 105,000
Accounts receivable balance						7,000		4,000
Accounts payable and accrued liability						207,000		165,000
Long-term other assets						396,000		373,000
OncoSec [Member] \| First warrant [Member]
Related-Party Transactions (Textual) [Abstract]
Common stock purchase warrant (in shares)			50,000
Term of the warrants in years			5 years
Exercise price of a five-year warrant ($ per share)			$ 24.00
OncoSec [Member] \| Second warrant [Member]
Related-Party Transactions (Textual) [Abstract]
Common stock purchase warrant (in shares)		150,000
Term of the warrants in years		5 years
Exercise price of a five-year warrant ($ per share)		$ 20.00
VGX International [Member]
Related-Party Transactions (Textual) [Abstract]
Long-term other assets						$ 42,000		$ 29,000
Director [Member]
Related-Party Transactions (Textual) [Abstract]
Term	5 years
Expenses to reimburse	$ 3,100,000