XML 71 R58.htm IDEA: XBRL DOCUMENT v3.20.2
Intangible Assets - Summary of Change in Carrying Amount of Finite-Lived Intangible Assets (Detail) - USD ($)
$ in Thousands
3 Months Ended
Aug. 02, 2020
Aug. 04, 2019
Customer Relationships [Member]    
Finite Lived Intangible Assets [Line Items]    
Beginning balance $ 2,238 $ 2,538
Amortization expense (76) (75)
Ending balance 2,162 2,463
Non-Compete Agreement [Member]    
Finite Lived Intangible Assets [Line Items]    
Beginning balance 602 678
Amortization expense (18) (19)
Ending balance $ 584 $ 659