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Note 13 - Investments (Tables) | 6 Months Ended
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Mar. 25, 2023
Notes Tables |
Unrealized Gain (Loss) on Investments [Table Text Block] |
|  |  |  |  |  | Gross |  |  | Gross |  |  | Fair |
|  | Amortized |  |  | Unrealized |  |  | Unrealized |  |  | Market |
|  | Cost |  |  | Gains |  |  | Losses |  |  | Value |
|  | (in thousands) |
Mutual funds |  | $ | 3,588 |  |  | $ | - |  |  | $ | 739 |  |  | $ | 2,849 |
Preferred stock |  |  | 1,519 |  |  |  | 61 |  |  |  | - |  |  |  | 1,580 |
Total marketable securities available for sale |  | $ | 5,107 |  |  | $ | 61 |  |  | $ | 739 |  |  | $ | 4,429 |
|  |  |  |  |  | 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] |
|  | March 25, 2023 |  |  | September 24, 2022 |
|  |  |  |  |  | Fair |  |  |  |  |  |  | Fair |
|  | Amortized |  |  | Market |  |  | Amortized |  |  | Market |
|  | Cost |  |  | Value |  |  | Cost |  |  | Value |
|  | (in thousands) |
Due in one year or less |  | $ | - |  |  | $ | - |  |  | $ | 4,011 |  |  | $ | 3,990 |
Due after one year through five years |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Due after five years through ten years |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Total held to maturity securities |  | $ | - |  |  | $ | - |  |  | $ | 4,011 |  |  | $ | 3,990 |
Less current portion |  |  | - |  |  |  | - |  |  |  | 4,011 |  |  |  | 3,990 |
Long term held to maturity securities |  | $ | - |  |  | $ | - |  |  | $ | - |  |  | $ | - |

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