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Note 13 - Investments (Tables) | 3 Months Ended
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Dec. 24, 2022
Notes Tables |
Unrealized Gain (Loss) on Investments [Table Text Block] |
|  |  |  |  |  | Gross |  |  | Gross |  |  | Fair |
|  | Amortized |  |  | Unrealized |  |  | Unrealized |  |  | Market |
|  | Cost |  |  | Gains |  |  | Losses |  |  | Value |
|  | (in thousands) |
Corporate Bonds |  |  | 2,008 |  |  |  | - |  |  |  | 10 |  |  |  | 1,998 |
Total marketable securities held to maturity |  | $ | 2,008 |  |  | $ | - |  |  | $ | 10 |  |  | $ | 1,998 |
|  |  |  |  |  | Gross |  |  | Gross |  |  | Fair |
|  | Amortized |  |  | Unrealized |  |  | Unrealized |  |  | Market |
|  | Cost |  |  | Gains |  |  | Losses |  |  | Value |
|  | (in thousands) |
Mutual Funds |  | $ | 3,588 |  |  | $ | - |  |  | $ | 774 |  |  | $ | 2,814 |
Preferred Stock |  |  | 1,519 |  |  |  | 38 |  |  |  | - |  |  |  | 1,557 |
Total marketable securities available for sale |  | $ | 5,107 |  |  | $ | 38 |  |  | $ | 774 |  |  | $ | 4,371 |
|  |  |  |  |  | Gross |  |  | Gross |  |  | Fair |
|  | Amortized |  |  | Unrealized |  |  | Unrealized |  |  | Market |
|  | Cost |  |  | Gains |  |  | Losses |  |  | Value |
|  | (in thousands) |
Corporate Bonds |  |  | 4,011 |  |  |  | - |  |  |  | 21 |  |  |  | 3,990 |
Total marketable securities held to maturity |  | $ | 4,011 |  |  | $ | - |  |  | $ | 21 |  |  | $ | 3,990 |
|  |  |  |  |  | Gross |  |  | Gross |  |  | Fair |
|  | Amortized |  |  | Unrealized |  |  | Unrealized |  |  | Market |
|  | Cost |  |  | Gains |  |  | Losses |  |  | Value |
|  | (in thousands) |
Mutual Funds |  | $ | 3,588 |  |  | $ | - |  |  | $ | 742 |  |  | $ | 2,846 |
Preferred Stock |  |  | 2,816 |  |  |  | 46 |  |  |  | - |  |  |  | 2,862 |
Total marketable securities available for sale |  | $ | 6,404 |  |  | $ | 46 |  |  | $ | 742 |  |  | $ | 5,708 |
Investments Classified by Contractual Maturity Date [Table Text Block] |
|  | December 24, 2022 |  |  | September 24, 2022 |
|  |  |  |  |  | Fair |  |  |  |  |  |  | Fair |
|  | Amortized |  |  | Market |  |  | Amortized |  |  | Market |
|  | Cost |  |  | Value |  |  | Cost |  |  | Value |
|  | (in thousands) |
Due in one year or less |  | $ | 2,008 |  |  | $ | 1,998 |  |  | $ | 4,011 |  |  | $ | 3,990 |
Due after one year through five years |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Due after five years through ten years |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Total held to maturity securities |  | $ | 2,008 |  |  | $ | 1,998 |  |  | $ | 4,011 |  |  | $ | 3,990 |
Less current portion |  |  | 2,008 |  |  |  | 1,998 |  |  |  | 4,011 |  |  |  | 3,990 |
Long term held to maturity securities |  | $ | - |  |  | $ | - |  |  | $ | - |  |  | $ | - |

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