Subsequent Event - Additional Information (Detail) - Whitehead v. Inotek Pharmaceuticals Corporation [Member] - Pending Litigation [Member]	12 Months Ended
Dec. 31, 2016
Subsequent Event [Line Items]
Lawsuit filing date	January 6, 2017
Name of plaintiff	purported stockholder of the Company
Lawsuit action domicile	U.S. District Court for the District of Massachusetts
Name of defendant	David Southwell, Rudolf Baumgartner, Dale Ritter, and William McVicar, captioned Whitehead v. Inotek Pharmaceuticals Corporation
Lawsuit allegation, description	The complaint alleges violations of Sections 10(b) and 20(a) of the Securities Exchange Act of 1934 and SEC Rule 10b-5 based on allegedly false and misleading statements and omissions regarding our MATrX-1 phase 3 clinical trial of trabodenoson.
Lawsuit management action, description	The lawsuit seeks among other things, unspecified compensatory damages, interest, attorneys’ fees and costs, and unspecified equitable/injunctive relief. The Company intends to vigorously defend itself against this claim.

Presents an assertion of a fact by a plaintiff in a pleading or complaint, which the plaintiff claims it will prove upon presentation of evidence at the proceeding.

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-Publisher FASB
-Name Accounting Standards Codification
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Describes management's process to evaluate the contingency matter and to estimate the impact on the financial statements and ongoing operations, such as added credit risk or loss of customers, including pertinent information to adequately disclose the matter and significant assumptions underlying the estimates.

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Identifies the named defendant in a lawsuit.

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Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

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