The amount the entity has committed to make for aggregate future royalty guarantees under agreement.

No definition available.

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Namespace Prefix:	opht_
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- Definition

The number of tranches in financing.

+ References

No definition available.

+ Details

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- Definition

The cash inflow from other borrowing not otherwise defined in the taxonomy.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 14

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3255-108585

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

The amount the entity has committed to make for future royalty guarantees.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 928

-SubTopic 440

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6473578&loc=d3e63223-108013

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- Details

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Financing Agreement with Novo A/S (Details) $ in Thousands	1 Months Ended			9 Months Ended	26 Months Ended
Financing Agreement with Novo A/S (Details) $ in Thousands	Nov. 30, 2014 USD ($)	Jan. 31, 2014 USD ($)	May. 31, 2013 USD ($) tranche	Sep. 30, 2014 USD ($)	Jun. 30, 2015 USD ($)	Sep. 30, 2015 USD ($)	Dec. 31, 2014 USD ($)
Agreement
Royalty rights purchase price						$ 125,000	$ 125,000
Proceeds from royalty purchase agreement				$ 41,667
Novo A/S \| Novo Agreement \| Fovista, Fovista-Related Products, and Other Products
Agreement
Number of tranches in financing \| tranche			3
Aggregate royalty rights			$ 125,000
Royalty rights purchase price			41,700
Proceeds from royalty purchase agreement	$ 41,700	$ 41,700	$ 41,700		$ 125,000