Licensing Agreements and Research Contracts - Schedule of Capitalized License Fees (Detail) (Licensing Agreements [Member], USD $)	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2012
Licensing Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
License fees	$ 114,000	$ 114,000	$ 95,000
Less accumulated amortization	(25,000)	(17,000)	(15,000)
License fees, net	$ 89,000	$ 97,000	$ 80,000

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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