Annual report pursuant to Section 13 and 15(d)

Income Taxes - Components of Loss Before Income Tax Provision (Detail)

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Income Taxes - Components of Loss Before Income Tax Provision (Detail) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Jan. 02, 2016
Oct. 03, 2015
Jul. 04, 2015
Apr. 04, 2015
Jan. 03, 2015
Sep. 27, 2014
Jun. 28, 2014
Mar. 29, 2014
Jan. 02, 2016
Jan. 03, 2015
Dec. 28, 2013
Income Tax Disclosure [Abstract]                      
Domestic operations                 $ (3,718) $ (7,424) $ (16,155)
Foreign operations                 483 476 564
Loss before income taxes $ (1,007) $ (491) $ (1,369) $ (368) $ (2,543) $ (2,479) $ (2,159) $ 233 $ (3,235) $ (6,948) $ (15,591)