Related Party Transactions	9 Months Ended
Related Party Transactions	Sep. 30, 2015
Related Party Transactions [Abstract]
Related Party Transactions	Related Party Transactions On August 4, 2015, the Company and GrayBug, Inc. (“GrayBug”) entered into a research collaboration and license agreement to explore the potential of GrayBug’s proprietary drug delivery technology to administer small molecule ophthalmic products to the back and front of the eye. The Board of Directors of the Company and that of GrayBug have a common Board member. This Board member did not participate in any deliberations associated with this transaction.

The entire disclosure for related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates.