Commitments and Contingencies (Details) (USD $)	9 Months Ended
Sep. 30, 2013 item	Jun. 30, 2013
Minimum
Patent appeals and market exclusivity
Estimated term to defend the validity of patent through the appeals process	2 years
Ferumoxytol term of data and market exclusivity even if there is no successful outcome from the appeals process	8 years
Maximum
Patent appeals and market exclusivity
Estimated term to defend the validity of patent through the appeals process	3 years
Ferumoxytol term of data and market exclusivity even if there is no successful outcome from the appeals process	10 years
Real property
Facility Lease Obligations
Initial lease term	5 years 2 months
Number of successive five year extension terms	1
Extension period of the lease terms	5 years
Minimum Lease Payments
Year Ended December 31, 2013	$ 131,553
Year Ended December 31, 2014	1,127,595
Year Ended December 31, 2015	1,127,595
Year Ended December 31, 2016	1,127,595
Year Ended December 31, 2017	1,127,595
Thereafter	1,033,629
Total	5,675,562
Security deposit in the form of an irrevocable letter of credit		400,000
Security deposit as on second anniversary of the commencement date		$ 300,000

Represents the estimated term to defend the validity of patent through the appeals process.

No definition available.

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- Definition

Represents the number of successive extension terms under the operating lease agreement.

+ References

No definition available.

+ Details

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- Definition

Represents the amount of security deposit in the form of an irrevocable letter of credit as on second anniversary of the commencement date.

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

Represents the term of data and market exclusivity even without a successful outcome from the appeals process.

+ References

No definition available.

+ Details

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- Definition

Term of the lessee's leasing arrangement renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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- Definition

Term of the lessee's leasing arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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- Definition

Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 10

-Section 55

-Paragraph 40

-Subparagraph (Note 3)

-URI http://asc.fasb.org/extlink&oid=6584154&loc=d3e38371-112697

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 20

-Section 50

-Paragraph 2

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41502-112717

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- Definition

Amount of required minimum rental payments maturing in the next fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

+ References

+ Details

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- Definition

Amount of required minimum rental payments maturing in the fifth fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

+ References

+ Details

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- Definition

Amount of required minimum rental payments maturing in the forth fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

+ References

+ Details

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- Definition

Amount of required minimum rental payments maturing in the third fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

+ References

+ Details

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- Definition

Amount of required minimum rental payments maturing in the second fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

+ References

+ Details

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- Definition

Amount of required minimum rental payments maturing after the fifth fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

+ References

+ Details

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Namespace Prefix:	us-gaap_
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- Definition

The amount of an asset, typically cash, provided to a counterparty to provide certain assurance of performance by the entity pursuant to the terms of a written or oral agreement, such as a lease.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.8,17)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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