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Segment Information - Statement of Operations for Operating Segments (Parenthetical) (Details) - USD ($)
3 Months Ended 9 Months Ended
Jan. 29, 2023
Oct. 30, 2022
Jan. 29, 2023
Segment Reporting Information [Line Items]      
Restructuring related charge     $ (98,000)
Restructuring expense $ 711,000   1,326,000
Upholstery Fabrics [Member]      
Segment Reporting Information [Line Items]      
Restructuring expense 711,000 $ 615,000 1,300,000
Restructuring expense, other associated costs     20,000
Upholstery Fabrics [Member] | Lease Termination Costs [Member]      
Segment Reporting Information [Line Items]      
Restructuring expense 434,000   481,000
Upholstery Fabrics [Member] | Employee Termination Benefits [Member]      
Segment Reporting Information [Line Items]      
Restructuring expense     468,000
Upholstery Fabrics [Member] | Leasehold Improvements Impairment Loss [Member]      
Segment Reporting Information [Line Items]      
Restructuring expense 277,000   357,000
China [Member] | Upholstery Fabrics [Member]      
Segment Reporting Information [Line Items]      
Loss on disposal     98,000
China [Member] | Upholstery Fabrics [Member] | Cost of Sales [Member]      
Segment Reporting Information [Line Items]      
Restructuring related charge     $ 98,000
Haiti [Member] | Upholstery Fabrics [Member]      
Segment Reporting Information [Line Items]      
Restructuring expense 711,000    
Haiti [Member] | Upholstery Fabrics [Member] | Lease Termination Costs [Member]      
Segment Reporting Information [Line Items]      
Restructuring expense 434,000    
Haiti [Member] | Upholstery Fabrics [Member] | Leasehold Improvements Impairment Loss [Member]      
Segment Reporting Information [Line Items]      
Impairment loss on leasehold improvements $ 277,000