Annual report pursuant to Section 13 and 15(d)

Income Taxes - Additional Information (Details)

v3.20.2
Income Taxes - Additional Information (Details) - USD ($)
Sep. 26, 2020
Sep. 28, 2019
Operating Loss Carryforwards [Line Items]    
State income tax credits $ 3,500,000  
Valuation allowances 7,124,000 $ 7,179,000
Accrued interest (less than) 100,000 100,000
Penalties were accrued related to uncertain tax positions 0 $ 0
Unrecognized tax benefit may be recognized within twelve months as a result of a settlement 300,000  
Decrease in unrecognized tax benefits 100,000  
State    
Operating Loss Carryforwards [Line Items]    
Net operating losses 97,700,000  
Foreign    
Operating Loss Carryforwards [Line Items]    
Net operating losses 4,800,000  
Net operating losses, not subject to expiration 4,700,000  
Net operating losses, subject to expiration $ 100,000