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Short Term Debt - Additional Information (Details) - USD ($) $ in Thousands |  |  |  |  |  | 3 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Jul. 01, 2019 | Jun. 01, 2019 | Oct. 01, 2018 | Jul. 02, 2018 | Jul. 01, 2018 | Mar. 28, 2020 | Dec. 28, 2019 | Aug. 14, 2017
Short Term Debt [Line Items] |  |  |  |  |  |  |  |
Short term debt |  |  |  |  |  |  | $ 280 |
AFCO Financing Agreement |  |  |  |  |  |  |  |
Short Term Debt [Line Items] |  |  |  |  |  |  |  |
Short term debt |  |  |  |  |  |  | $ 155 |
GE 8% Loan Agreement |  |  |  |  |  |  |  |
Short Term Debt [Line Items] |  |  |  |  |  |  |  |
Debt interest rate |  |  |  |  |  |  |  | 8.00%
AFCO Financing Agreement to Fund Annual Premiums Due June 1, 2018 |  |  |  |  |  |  |  |
Short Term Debt [Line Items] |  |  |  |  |  |  |  |
Debt issuance date |  |  |  | Jul. 02, 2018 |  |  |  |
Debt face amount |  |  |  | $ 556 |  |  |  |
Debt interest rate |  |  |  | 4.50% |  |  |  |
Debt maturity date |  |  |  | Mar. 01, 2019 |  |  |  |
Initial down payment |  |  |  |  | $ 56 |  |  |
Frequency of periodic payment |  |  |  |  |  | monthly |  |
Monthly principal payments |  |  | $ 65 |  | $ 57 |  |  |
AFCO Financing Agreement to Fund Annual Premiums Due June 1, 2019 |  |  |  |  |  |  |  |
Short Term Debt [Line Items] |  |  |  |  |  |  |  |
Debt issuance date |  | Jun. 01, 2019 |  |  |  |  |  |
Debt face amount |  | $ 471 |  |  |  |  |  |
Debt interest rate |  | 4.90% |  |  |  |  |  |
Debt maturity date |  | Mar. 01, 2020 |  |  |  |  |  |
Initial down payment | $ 103 |  |  |  |  |  |  |
Frequency of periodic payment |  |  |  |  |  | monthly |  |
Monthly principal payments | $ 54 |  |  |  |  |  |  |

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