Quarterly report pursuant to Section 13 or 15(d)

Borrowings (Details)

v3.21.1
Borrowings (Details)
3 Months Ended
Apr. 03, 2021
USD ($)
JP Morgan Chase Bank | Revolving Credit Facility  
Line of Credit Facility [Line Items]  
Maximum borrowing capacity $ 30,000,000
Increased aggregate borrowing capacity 40,000,000
Revolving loan payable $ 0
Unused credit commitment fee (percent) 0.25%
Credit facility trigger amount $ 3,600,000
Consecutive business days below minimum excess availability 3 days
Number of consecutive days excess availability is above required amount 45 days
Event of default amount $ 0
Minimum availability required under availability block $ 3,000,000
Minimum fixed charge ratio if less than minimum excess availability 1.0
Excess availability under credit facility $ 26,302,000
JP Morgan Chase Bank | Letter of Credit  
Line of Credit Facility [Line Items]  
Maximum borrowing capacity 1,435,000
Outstanding letters of credit amount $ 0
One-Month London Interbank Offered Rate (LIBOR) | Revolving Credit Facility  
Line of Credit Facility [Line Items]  
Applicable margin for LIBOR-based interest rate and applicable margin for alternate based rate (percent) 1.25%
Base Rate | Revolving Credit Facility  
Line of Credit Facility [Line Items]  
Applicable margin for LIBOR-based interest rate and applicable margin for alternate based rate (percent) 1.75%
Base Rate | JP Morgan Chase Bank | Revolving Credit Facility  
Line of Credit Facility [Line Items]  
Interest rate (percent) 3.00%
LIBOR based interest rate, principal amount $ 0
London Interbank Offered Rate (LIBOR) | JP Morgan Chase Bank | Revolving Credit Facility  
Line of Credit Facility [Line Items]  
Interest rate (percent) 1.38%
LIBOR based interest rate, principal amount $ 0
Prime rate | Revolving Credit Facility | Maximum  
Line of Credit Facility [Line Items]  
Applicable margin for LIBOR-based interest rate and applicable margin for alternate based rate (percent) 0.25%
Prime rate | Revolving Credit Facility | Minimum  
Line of Credit Facility [Line Items]  
Applicable margin for LIBOR-based interest rate and applicable margin for alternate based rate (percent) 0.75%