| Goodwill [Table Text Block] |
| | | Fiscal Year Ended | |
| | | March 31, 2024 | | | March 30, 2025 | | | March 29, 2026 | |
| Gross goodwill | | $ | 30,838 | | | $ | 36,678 | | | $ | 36,678 | |
| Accumulated impairment losses | | | (22,912 | ) | | | (28,752 | ) | | | (36,678 | ) |
| Additions | | | - | | | | 5,840 | | | | - | |
| Impairment charge | | | - | | | | (13,766 | ) | | | - | |
| Net goodwill | | $ | 7,926 | | | $ | - | | | $ | - | |
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| Intangible Asset, Finite-Lived [Table Text Block] |
| | | Gross Amount | | | Accumulated Amortization | | | Net Amount | |
| | | March 29, | | | March 30, | | | March 29, | | | March 30, | | | March 29, | | | March 30, | |
| | | 2026 | | | 2025 | | | 2026 | | | 2025 | | | 2026 | | | 2025 | |
| Tradename and trademarks | | $ | 3,217 | | | $ | 3,217 | | | $ | 2,405 | | | $ | 2,316 | | | $ | 812 | | | $ | 901 | |
| Non-compete covenants | | | 98 | | | | 98 | | | | 98 | | | | 98 | | | | - | | | | - | |
| Patents | | | 1,601 | | | | 1,601 | | | | 1,212 | | | | 1,160 | | | | 389 | | | | 441 | |
| Customer relationships | | | 8,174 | | | | 8,174 | | | | 7,292 | | | | 7,007 | | | | 882 | | | | 1,166 | |
| Licensing relationships | | | 4,800 | | | | 4,800 | | | | 608 | | | | 259 | | | | 4,192 | | | | 4,541 | |
| Total other intangible assets | | $ | 17,890 | | | $ | 17,890 | | | $ | 11,615 | | | $ | 10,840 | | | $ | 6,275 | | | $ | 7,050 | |
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