Licenses, Royalties and Collaborative Agreements and Commitments (Details) (USD $)	1 Months Ended
Mar. 31, 1992 License agreement The University	Dec. 31, 2002 Sublicense agreement Corning	Dec. 31, 2002 Sublicense agreement Corning Maximum
Licenses, Royalties and Collaborative Agreements and Commitments
Royalty revenue as a percentage of net sales of products	2.00%	5.00%
Future royalty revenue			$ 50,000,000

Revenue earned during the period from the leasing or otherwise lending to a third party the entity's rights or title to certain property. Royalty revenue is derived from a percentage or stated amount of sales proceeds or revenue generated by the third party using the entity's property. Examples of property from which royalties may be derived include patents and oil and mineral rights.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1(e))

-URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 1

-Article 5

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration