Commitments and Contigencies (Details 3) (USD $)	1 Months Ended	3 Months Ended
Jan. 31, 2015	Apr. 30, 2015	Dec. 31, 2013
Indefinite-lived Intangible Assets [Line Items]
Net of amortization	$ 149,000us-gaap_FiniteLivedIntangibleAssetsNet	$ 142,000us-gaap_FiniteLivedIntangibleAssetsNet
Royalties paid	0us-gaap_PaymentsForRoyalties	0us-gaap_PaymentsForRoyalties
Intellectual Property
Indefinite-lived Intangible Assets [Line Items]
Fees to Iogen capitalized			$ 150,000

Amount after 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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- Definition

Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (b)

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

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- Definition

The amount of cash paid for royalties during the current period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 25

-Subparagraph (g)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3536-108585

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