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| 0001437749-23-024902-index.html | 2023-08-31 09:00:18 | |
| 0001437749-23-024902.txt | 2023-08-31 09:00:18 | |
 0001437749-23-024902-xbrl.zip | 10471 | 2023-08-31 09:00:18 |
| FilingSummary.xml | 1734 | 2023-08-31 09:00:18 |
| Financial_Report.xlsx | 5879 | 2023-08-31 09:00:18 |
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| R1.htm | 43845 | 2023-08-31 09:00:18 |
| report.css | 2767 | 2023-08-31 09:00:18 |
| Show.js | 1084 | 2023-08-31 09:00:18 |
| spre20230830_8ka.htm | 31858 | 2023-08-31 09:00:18 |
| spre20230830_8ka_htm.xml | 4378 | 2023-08-31 09:00:18 |
| sr-20230719.xsd | 3827 | 2023-08-31 09:00:18 |
| sr-20230719_def.xml | 13723 | 2023-08-31 09:00:18 |
| sr-20230719_lab.xml | 18025 | 2023-08-31 09:00:18 |
| sr-20230719_pre.xml | 13755 | 2023-08-31 09:00:18 |