Provision for Income Tax (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Jan. 02, 2016	Jan. 03, 2015
Federal:
Current			$ (324)
Deferred	$ 0	$ 0	0
Federal Income Tax Expense (Benefit), Continuing Operations, Total			(324)
State:
Current	5	6	5
Deferred	0	0	0
State and Local Income Tax Expense (Benefit), Continuing Operations, Total	5	6	5
Foreign:
Current	237	561	81
Deferred	9	(12)	8,666
Foreign Income Tax Expense (Benefit), Continuing Operations, Total	246	549	8,747
Total	$ 251	$ 555	$ 8,428