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| 0000090168-23-000072.txt | 2023-12-28 16:29:31 | |
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| FilingSummary.xml | 1609 | 2023-12-28 16:29:31 |
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| R1.htm | 38059 | 2023-12-28 16:29:31 |
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| Show.js | 1085 | 2023-12-28 16:29:31 |
| sif-20231221.htm | 50274 | 2023-12-28 16:29:31 |
| sif-20231221.xsd | 1880 | 2023-12-28 16:29:31 |
| sif-20231221_htm.xml | 2688 | 2023-12-28 16:29:31 |
| sif-20231221_lab.xml | 23834 | 2023-12-28 16:29:31 |
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| sifcofourthamendmentexport.htm | 36972 | 2023-12-28 16:29:31 |
| sifconinthamendmentcredita.htm | 51369 | 2023-12-28 16:29:31 |
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| subordinatedpromissorynote.htm | 73688 | 2023-12-28 16:29:31 |