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Income Taxes - Narrative (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 28, 2019
Dec. 29, 2018
Income Tax Disclosure [Abstract]    
Net operating loss carryforward $ 26,100  
Deferred tax asset, net operating loss carryforward $ 6,457 $ 4,966
Effective income tax rate, percent 27.00% 26.60%
Operating Loss Carryforwards [Line Items]    
Valuation allowance $ 310 $ 193
Foreign net operating loss carryforwards    
Operating Loss Carryforwards [Line Items]    
Valuation allowance 300  
Uncertain tax positions    
Operating Loss Carryforwards [Line Items]    
Valuation allowance $ 2,700 $ 2,500