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Leases (Details) - USD ($)
$ in Millions
6 Months Ended
Jul. 30, 2021
Jul. 31, 2020
Leases    
Weighted-average remaining lease term 9 years 9 months 18 days  
Weighed average discount rate 3.80%  
Cash paid for operating leases $ 735,800 $ 680,400
Operating lease cost $ 730,000 $ 678,600