Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-21-296407-index-headers.html | 2021-10-12 08:13:31 | |
| 0001193125-21-296407-index.html | 2021-10-12 08:13:31 | |
| 0001193125-21-296407.txt | 2021-10-12 08:13:31 | |
 0001193125-21-296407-xbrl.zip | 13077 | 2021-10-12 08:13:31 |
| d227095d8k.htm | 29330 | 2021-10-12 08:13:31 |
| d227095d8k_htm.xml | 3482 | 2021-10-12 08:13:31 |
| d227095dex991.htm | 10569 | 2021-10-12 08:13:31 |
| FilingSummary.xml | 1735 | 2021-10-12 08:13:31 |
| Financial_Report.xlsx | 5738 | 2021-10-12 08:13:31 |
| MetaLinks.json | 19562 | 2021-10-12 08:13:31 |
| R1.htm | 41948 | 2021-10-12 08:13:31 |
| report.css | 2767 | 2021-10-12 08:13:31 |
| Show.js | 1084 | 2021-10-12 08:13:31 |
| spro-20211011.xsd | 2916 | 2021-10-12 08:13:31 |
| spro-20211011_lab.xml | 18888 | 2021-10-12 08:13:31 |
| spro-20211011_pre.xml | 11876 | 2021-10-12 08:13:31 |