Leases - Narrative (Detail)					1 Months Ended		3 Months Ended
	Oct. 30, 2021 USD ($)	Aug. 30, 2021 USD ($)	May 07, 2021 USD ($) ft²	Apr. 09, 2021 USD ($) ft²	Jul. 31, 2021 USD ($)	Apr. 30, 2021 USD ($)	Aug. 01, 2021 USD ($)	Aug. 02, 2020 USD ($)
Lessee, Operating Lease, Option to Extend							renewal options for additional periods ranging up to twelve years
Operating lease expenses							$ 876,000	$ 658,000
Operating lease liability payments							$ 717,000	$ 445,000
Upholstery Fabrics [Member]
Lessee, Operating Lease, Option to Extend							The initial non-cancelable term of the lease can be subsequently renewed and extended for successive eight-year
Area of facility | ft²				90,000
Lease term				8 years
Operating lease liability payments				$ 2,800,000
Lease renewal term				8 years
High Point ,NC [Member]
Lessee, Operating Lease, Option to Extend							The initial non-cancelable term of the lease can be subsequently renewed and extended up to four additional periods of three years
Area of facility | ft²			21,000
Lease term			10 years
Operating lease liability payments			$ 2,200,000
Lease renewal term			3 years
Commitment for construction of leasehold improvements							$ 865,000
Other Assets [Member] | Upholstery Fabrics [Member]
Operating lease liability payments					$ 558,000	$ 1,400,000	$ 2,000,000.0
Subsequent Event [Member] | Upholstery Fabrics [Member]
Operating lease liability payments		$ 418,500
Forecast [Member] | Upholstery Fabrics [Member]
Operating lease liability payments	$ 418,500
Minimum [Member]
Operating Lease Remaining Lease Terms							1 year
Maximum [Member]
Operating Lease Remaining Lease Terms							10 years