Geographic Information and Major Franchisees - Schedule of Revenues by Geographic Area (Details) - USD ($) $ in Thousands |
3 Months Ended | |
|---|---|---|
Mar. 29, 2020 |
Mar. 31, 2019 |
|
| Total revenues | $ 4,423 | $ 4,873 |
| United States [Member] | ||
| Total revenues | 3,709 | 4,011 |
| Other Countries [Member] | ||
| Total revenues | $ 714 | $ 862 |