Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Additional Information (Details)

v3.21.4
Summary of Significant Accounting Policies - Additional Information (Details)
 12 Months Ended
Sep. 30, 2021
USD ($)
Segment
Sep. 30, 2020
USD ($)
Summary Of Significant Accounting Policies [Line Items]    
Minimum annual commission due in factoring, per contract year $ 100,000  
Allowance for doubtful accounts 61,000 $ 272,000
Allowance for inventory reserves 1,793,000 3,135,000
Goodwill impairment 0 0
Intangible amortization expense 522,000 605,000
Warranty reserve 105,000 206,000
Breakage income related from gift cards 10,000 75,000
Advertising Expense $ 350,000 305,000
Lease expiration period various dates through 2040  
Number of operating segments | Segment 3  
Federal Deposit Insurance Corporation insured amount $ 250,000  
Customer Lists    
Summary Of Significant Accounting Policies [Line Items]    
Useful lives of intangible assets 20 years  
Trade Names    
Summary Of Significant Accounting Policies [Line Items]    
Useful lives of intangible assets 20 years  
Leases    
Summary Of Significant Accounting Policies [Line Items]    
Useful lives of intangible assets over the life of the lease  
Retail and Online    
Summary Of Significant Accounting Policies [Line Items]    
Allowance for inventory reserves $ 1,900,000 3,100,000
ApplianceSmart Inc    
Summary Of Significant Accounting Policies [Line Items]    
Debtor in possession assets $ 180,000 $ 520,000
Minimum    
Summary Of Significant Accounting Policies [Line Items]    
Percentage of factoring commission 0.75%  
Percentage of interest on factoring 3.25%  
Minimum | Domain Name and Marketing    
Summary Of Significant Accounting Policies [Line Items]    
Useful lives of intangible assets 3 years  
Minimum | Software    
Summary Of Significant Accounting Policies [Line Items]    
Useful lives of intangible assets 3 years  
Minimum | Customer Relationships    
Summary Of Significant Accounting Policies [Line Items]    
Useful lives of intangible assets 7 years  
Minimum | Building and Improvements    
Summary Of Significant Accounting Policies [Line Items]    
Useful lives of property and equipment 3 years  
Minimum | Transportation Equipment    
Summary Of Significant Accounting Policies [Line Items]    
Useful lives of property and equipment 5 years  
Minimum | Machinery and Equipment    
Summary Of Significant Accounting Policies [Line Items]    
Useful lives of property and equipment 5 years  
Minimum | Furnishings and Fixtures    
Summary Of Significant Accounting Policies [Line Items]    
Useful lives of property and equipment 3 years  
Minimum | Office and Computer Equipment    
Summary Of Significant Accounting Policies [Line Items]    
Useful lives of property and equipment 3 years  
Maximum    
Summary Of Significant Accounting Policies [Line Items]    
Percentage of factoring commission 1.00%  
Percentage of interest on factoring 6.00%  
Maximum | Domain Name and Marketing    
Summary Of Significant Accounting Policies [Line Items]    
Useful lives of intangible assets 20 years  
Maximum | Software    
Summary Of Significant Accounting Policies [Line Items]    
Useful lives of intangible assets 5 years  
Maximum | Customer Relationships    
Summary Of Significant Accounting Policies [Line Items]    
Useful lives of intangible assets 15 years  
Maximum | Building and Improvements    
Summary Of Significant Accounting Policies [Line Items]    
Useful lives of property and equipment 40 years  
Maximum | Transportation Equipment    
Summary Of Significant Accounting Policies [Line Items]    
Useful lives of property and equipment 10 years  
Maximum | Machinery and Equipment    
Summary Of Significant Accounting Policies [Line Items]    
Useful lives of property and equipment 10 years  
Maximum | Furnishings and Fixtures    
Summary Of Significant Accounting Policies [Line Items]    
Useful lives of property and equipment 5 years  
Maximum | Office and Computer Equipment    
Summary Of Significant Accounting Policies [Line Items]    
Useful lives of property and equipment 5 years