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Series A-1 Preferred Stock - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands |  | 12 Months Ended |
--- | --- | --- | ---
Aug. 18, 2017 | Jan. 02, 2021 | Dec. 29, 2018
Preferred stock, voting rights |  | Each holder of a share of Series A Preferred Stock has a number of votes as is determined by multiplying (i) the number of shares of Series A Preferred Stock held by such holder, and (ii) 17. The holders of Series A-1 Preferred Stock vote together with all other classes and series of common and preferred stock of the Company as a single class on all actions to be taken by the common stockholders of the Company, except to the extent that voting as a separate class or series is required by law. |
Series A Convertible Preferred Stock |  |  |
Dividends payable, amount per share |  |  | $ 1.00
Series A1 Convertible Preferred Stock |  |  |
Number of shares issued upon exchange of Convertible Preferred Stock |  | 259,729 |
Convertible preferred stock conversion ratio |  | 458.3453% |
Preferred stock, redemption terms |  | The Series A-1 Preferred Stock has no redemption rights by JanOne, GeoTraq, or any other entity. |
GeoTraq Inc. |  |  |
Cash paid for acquisition | $ 200 |  |
GeoTraq Inc. | One-year Unsecured Promissory Notes |  |  |
Business acquisition, Promissory notes issued | $ 800 |  |
GeoTraq Inc. | Series A Convertible Preferred Stock |  |  |
Business acquisition, Stock issued | 288,588 |  |

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