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Note 10 - Per Share Data - Unissued Shares of Common Stock Were Reserved for the Following Purposes (Details) - shares | Jan. 03, 2026 | Dec. 28, 2024
--- | --- | ---
Future grants of options or shares available (in shares) | 1,248,902 | 295,680
Shares reserved for employee stock purchase plan (in shares) | 216,574 | 252,119
Total (in shares) | 1,926,670 | 1,137,220
Time-based Restricted Stock Units [Member] |  |
Restricted stock units outstanding (in shares) | 179,037 | 289,421
Performance-based Restricted Stock Units [Member] |  |
Restricted stock units outstanding (in shares) | 282,157 | 300,000

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