Income Taxes - Additional Information (Details) - USD ($)	3 Months Ended		12 Months Ended
	Apr. 02, 2021	Apr. 03, 2020	Jan. 01, 2021
Income Taxes [Line Items]
Income tax expense (benefit)	$ 1,247,000	$ (1,158,000)
Valuation allowance, deferred tax asset, increase (decrease), amount, COVID effect		$ 1,369,000
Unrecognized tax benefits related to uncertain tax positions	$ 0
Percentage of deduction in GILTI	50.00%
US
Income Taxes [Line Items]
Deferred tax assets, valuation allowance	$ 41,467,000		$ 42,080,000
Deferred Tax Assets, Net	3,870,000		3,870,000
Federal
Income Taxes [Line Items]
Valuation allowance, deferred tax asset, increase (decrease), amount	3,576,000		3,576,000
State
Income Taxes [Line Items]
Valuation allowance, deferred tax asset, increase (decrease), amount	$ 294,000		$ 294,000