Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-24-060400-index-headers.html | 2024-05-15 16:02:29 | |
| 0000950170-24-060400-index.html | 2024-05-15 16:02:29 | |
| 0000950170-24-060400.txt | 2024-05-15 16:02:29 | |
 0000950170-24-060400-xbrl.zip | 279106 | 2024-05-15 16:02:29 |
| FilingSummary.xml | 29124 | 2024-05-15 16:02:29 |
| Financial_Report.xlsx | 90711 | 2024-05-15 16:02:29 |
| MetaLinks.json | 818639 | 2024-05-15 16:02:29 |
| R1.htm | 53140 | 2024-05-15 16:02:29 |
| R10.htm | 61744 | 2024-05-15 16:02:29 |
| R11.htm | 53235 | 2024-05-15 16:02:29 |
| R12.htm | 21925 | 2024-05-15 16:02:29 |
| R13.htm | 14893 | 2024-05-15 16:02:29 |
| R14.htm | 105369 | 2024-05-15 16:02:29 |
| R15.htm | 18774 | 2024-05-15 16:02:29 |
| R16.htm | 20243 | 2024-05-15 16:02:29 |
| R17.htm | 94819 | 2024-05-15 16:02:29 |
| R18.htm | 39883 | 2024-05-15 16:02:29 |
| R19.htm | 97665 | 2024-05-15 16:02:29 |
| R2.htm | 98322 | 2024-05-15 16:02:29 |
| R20.htm | 49901 | 2024-05-15 16:02:29 |
| R21.htm | 21185 | 2024-05-15 16:02:29 |
| R22.htm | 104947 | 2024-05-15 16:02:29 |
| R23.htm | 10860 | 2024-05-15 16:02:29 |
| R24.htm | 40108 | 2024-05-15 16:02:29 |
| R25.htm | 10646 | 2024-05-15 16:02:29 |
| R26.htm | 19333 | 2024-05-15 16:02:29 |
| R27.htm | 9613 | 2024-05-15 16:02:29 |
| R28.htm | 18159 | 2024-05-15 16:02:29 |
| R29.htm | 6231 | 2024-05-15 16:02:29 |
| R3.htm | 22225 | 2024-05-15 16:02:29 |
| R30.htm | 12015 | 2024-05-15 16:02:29 |
| R31.htm | 19771 | 2024-05-15 16:02:29 |
| R32.htm | 57385 | 2024-05-15 16:02:29 |
| R33.htm | 49200 | 2024-05-15 16:02:29 |
| R34.htm | 30019 | 2024-05-15 16:02:29 |
| R35.htm | 29955 | 2024-05-15 16:02:29 |
| R36.htm | 16942 | 2024-05-15 16:02:29 |
| R37.htm | 70799 | 2024-05-15 16:02:29 |
| R38.htm | 184473 | 2024-05-15 16:02:29 |
| R39.htm | 11069 | 2024-05-15 16:02:29 |
| R4.htm | 69443 | 2024-05-15 16:02:29 |
| R40.htm | 12270 | 2024-05-15 16:02:29 |
| R41.htm | 26826 | 2024-05-15 16:02:29 |
| R42.htm | 10178 | 2024-05-15 16:02:29 |
| R43.htm | 5474 | 2024-05-15 16:02:29 |
| R5.htm | 53334 | 2024-05-15 16:02:29 |
| R6.htm | 37216 | 2024-05-15 16:02:29 |
| R7.htm | 15080 | 2024-05-15 16:02:29 |
| R8.htm | 8438 | 2024-05-15 16:02:29 |
| R9.htm | 16777 | 2024-05-15 16:02:29 |
| report.css | 2767 | 2024-05-15 16:02:29 |
| Show.js | 1085 | 2024-05-15 16:02:29 |
| spro-20240331.htm | 1705936 | 2024-05-15 16:02:29 |
| spro-20240331.xsd | 1310424 | 2024-05-15 16:02:29 |
| spro-20240331_htm.xml | 903157 | 2024-05-15 16:02:29 |
| spro-ex10_1.htm | 120913 | 2024-05-15 16:02:29 |
| spro-ex10_4.htm | 51525 | 2024-05-15 16:02:29 |
| spro-ex31_1.htm | 10546 | 2024-05-15 16:02:29 |
| spro-ex31_2.htm | 10693 | 2024-05-15 16:02:29 |
| spro-ex32.htm | 8441 | 2024-05-15 16:02:29 |