Revenue - Primary Geography Markets (Detail) - USD ($) $ in Thousands		12 Months Ended
	Jan. 02, 2021	Jan. 01, 2022	Jan. 02, 2021
Disaggregation of Revenue [Line Items]
Total net revenues	$ 52,128	$ 38,524	$ 52,128
Products Transferred at a Point in Time
Disaggregation of Revenue [Line Items]
Total net revenues	$ 52,128	38,524
Products and Services Transferred Over Time
Disaggregation of Revenue [Line Items]
Total net revenues		0	0
United States
Disaggregation of Revenue [Line Items]
Total net revenues		3,670	6,450
Asia
Disaggregation of Revenue [Line Items]
Total net revenues		31,004	45,611
Europe
Disaggregation of Revenue [Line Items]
Total net revenues		$ 3,850	$ 67