Subsequent Event - Additional Information (Detail) - Tyngsborough Massachusetts - USD ($)	Dec. 04, 2015	Oct. 10, 2014
Subsequent Event [Line Items]
Sale of facilities and assets, value		$ 2,500,000
Maximum amount other payable on breaches of such representations and warranties or obligations		$ 75,000
Subsequent Event
Subsequent Event [Line Items]
Sale of facilities and assets, value	$ 2,500,000
Maximum amount other payable on breaches of such representations and warranties or obligations	$ 75,000