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Related Parties - Additional Information (Details) |  |  | 3 Months Ended | 9 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Aug. 28, 2019 USD ($) | Mar. 15, 2019 USD ($) | Sep. 26, 2020 USD ($) ft² | Sep. 28, 2019 USD ($) | Sep. 26, 2020 USD ($) ft² | Sep. 28, 2019 USD ($) | Jun. 27, 2020 ft² | Dec. 28, 2019 USD ($) | Apr. 01, 2018 USD ($)
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |
Related party note |  |  | $ 1,000,000 |  | $ 1,000,000 |  |  | $ 2,473,000 |
Revolving Credit Facility |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |
Amount of revolving line of credit |  |  | 1,500,000 |  | 1,500,000 |  |  |  |
Revolving Credit Facility | Isaac Capital Group, LLC |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |
Amount of revolving line of credit | $ 2,500,000 |  |  |  |  |  |  |  |
Credit facility maturity date | Aug. 28, 2020 |  |  |  |  |  |  |  |
Credit facility maturity date extended | Dec. 31, 2020 |  |  |  |  |  |  |  |
Credit facility interest rate | 8.75% |  |  |  |  |  |  |  |
Percentage of loan fee on each borrowings | 2.00% |  |  |  |  |  |  |  |
Related party note |  |  | 1,000,000 |  | $ 1,000,000 |  |  | $ 2,473,000 |
Appliance Smart, Inc. |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |
Terms and manner of settlement |  |  |  |  | Purchaser issued the ApplianceSmart Note with a three-year term in the original principal amount |  |  |  |
Note receivable face amount |  |  |  |  |  |  |  |  | $ 3,919,000
Effects of any change in method of establishing terms |  |  |  |  | On December 26, 2018, the ApplianceSmart Note was amended and restated to grant the Company a security interest in the assets of the Purchaser, ApplianceSmart, and ApplianceSmart Contracting Inc. in exchange for modifying the repayment terms to provide for the payment in full of all accrued interest and principal on April 1, 2021, the maturity date of the ApplianceSmart Note. |  |  |  |
Minimum | Appliance Smart, Inc. |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |
Related party receivables, repayment term |  | 15 days |  |  |  |  |  |  |
Maximum | Appliance Smart, Inc. |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |
Note receivable balance outstanding |  | $ 1,200,000 |  |  |  |  |  |  |
Live Ventures Incorporated |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |
Shared expenses with another company |  |  | $ 61,000 | $ 52,000 | $ 186,000 | $ 99,000 |  |  |
Rented office space | ft² |  |  | 10,000 |  | 10,000 |  | 10,000 |  |
Total rent and common area expense |  |  | $ 54,000 | $ 45,000 | $ 144,000 | $ 44,000 |  |  |
Live Ventures Incorporated | Minimum |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |
Related party transaction, rate |  |  | 5.00% |  | 5.00% |  |  |  |

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