Subsequent Event - Additional Information (Detail) - USD ($)		12 Months Ended
	Jan. 27, 2016	Dec. 31, 2015
Subsequent Event [Line Items]
Severance payments to employees		$ 1,300,000
Subsequent Event
Subsequent Event [Line Items]
Reduction in number of non-manufacturing employee base	25.00%
Subsequent Event | Minimum
Subsequent Event [Line Items]
Estimated aggregate cash charges on restructuring	$ 1,600,000
Severance payments to employees	1,500,000
Lease termination fees	100,000
Subsequent Event | Maximum
Subsequent Event [Line Items]
Estimated aggregate cash charges on restructuring	2,000,000
Severance payments to employees	1,750,000
Lease termination fees	$ 250,000