| Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block] |
| | | 13 Weeks Ended | |
| | | May 29,
2022 | | | May 30,
2021 | |
| | | | | | | | | |
| Sales: | | | | | | | | |
| North America | | $ | 12,149 | | | $ | 13,073 | |
| Asia | | | 124 | | | | 142 | |
| Europe | | | 510 | | | | 379 | |
| Total sales | | $ | 12,783 | | | $ | 13,594 | |
| | | May 29,
2022 | | | February 27, 2022 | |
| Long-lived assets: | | | | | | | | |
| North America | | $ | 34,259 | | | $ | 34,448 | |
| Asia | | | - | | | | - | |
| Europe | | | - | | | | - | |
| Total long-lived assets | | $ | 34,259 | | | $ | 34,448 | |
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