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|---|---|---|
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| 0000950170-22-010064-index.html | 2022-05-16 16:03:07 | |
| 0000950170-22-010064.txt | 2022-05-16 16:03:07 | |
 0000950170-22-010064-xbrl.zip | 312853 | 2022-05-16 16:03:07 |
| FilingSummary.xml | 36689 | 2022-05-16 16:03:07 |
| Financial_Report.xlsx | 99689 | 2022-05-16 16:03:07 |
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| R1.htm | 55778 | 2022-05-16 16:03:07 |
| R10.htm | 311303 | 2022-05-16 16:03:07 |
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| R48.htm | 8997 | 2022-05-16 16:03:07 |
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| R8.htm | 24174 | 2022-05-16 16:03:07 |
| R9.htm | 91212 | 2022-05-16 16:03:07 |
| report.css | 2767 | 2022-05-16 16:03:07 |
| Show.js | 1085 | 2022-05-16 16:03:07 |
| spro-20220331.htm | 2857530 | 2022-05-16 16:03:07 |
| spro-20220331.xsd | 81382 | 2022-05-16 16:03:07 |
| spro-20220331_cal.xml | 43292 | 2022-05-16 16:03:07 |
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| spro-20220331_htm.xml | 1819450 | 2022-05-16 16:03:07 |
| spro-20220331_lab.xml | 574125 | 2022-05-16 16:03:07 |
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| spro-ex31_1.htm | 12593 | 2022-05-16 16:03:07 |
| spro-ex31_2.htm | 12622 | 2022-05-16 16:03:07 |
| spro-ex32.htm | 11154 | 2022-05-16 16:03:07 |