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| 0001437749-24-031522-index.html | 2024-10-18 08:30:28 | |
| 0001437749-24-031522.txt | 2024-10-18 08:30:28 | |
 0001437749-24-031522-xbrl.zip | 134568 | 2024-10-18 08:30:28 |
| ex_733693.htm | 1005364 | 2024-10-18 08:30:28 |
| FilingSummary.xml | 1762 | 2024-10-18 08:30:28 |
| Financial_Report.xlsx | 6274 | 2024-10-18 08:30:28 |
| MetaLinks.json | 22410 | 2024-10-18 08:30:28 |
| R1.htm | 51866 | 2024-10-18 08:30:28 |
| report.css | 2767 | 2024-10-18 08:30:28 |
| Show.js | 1085 | 2024-10-18 08:30:28 |
| spre20241015_8k.htm | 57111 | 2024-10-18 08:30:28 |
| spre20241015_8k_htm.xml | 7968 | 2024-10-18 08:30:28 |
| sr-20241011.xsd | 4196 | 2024-10-18 08:30:28 |
| sr-20241011_def.xml | 13966 | 2024-10-18 08:30:28 |
| sr-20241011_lab.xml | 18414 | 2024-10-18 08:30:28 |
| sr-20241011_pre.xml | 14058 | 2024-10-18 08:30:28 |