Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001558370-20-002536-index-headers.html | 2020-03-12 16:11:25 | |
| 0001558370-20-002536-index.html | 2020-03-12 16:11:25 | |
| 0001558370-20-002536.txt | 2020-03-12 16:11:25 | |
 0001558370-20-002536-xbrl.zip | 148716 | 2020-03-12 16:11:25 |
| FilingSummary.xml | 39606 | 2020-03-12 16:11:25 |
| Financial_Report.xlsx | 88586 | 2020-03-12 16:11:25 |
| R1.htm | 37291 | 2020-03-12 16:11:25 |
| R10.htm | 80066 | 2020-03-12 16:11:25 |
| R11.htm | 66150 | 2020-03-12 16:11:25 |
| R12.htm | 37010 | 2020-03-12 16:11:25 |
| R13.htm | 26739 | 2020-03-12 16:11:25 |
| R14.htm | 4890 | 2020-03-12 16:11:25 |
| R15.htm | 6034 | 2020-03-12 16:11:25 |
| R16.htm | 20997 | 2020-03-12 16:11:25 |
| R17.htm | 107100 | 2020-03-12 16:11:25 |
| R18.htm | 84877 | 2020-03-12 16:11:25 |
| R19.htm | 47367 | 2020-03-12 16:11:25 |
| R2.htm | 82148 | 2020-03-12 16:11:25 |
| R20.htm | 5717 | 2020-03-12 16:11:25 |
| R21.htm | 20051 | 2020-03-12 16:11:25 |
| R22.htm | 36920 | 2020-03-12 16:11:25 |
| R23.htm | 4901 | 2020-03-12 16:11:25 |
| R24.htm | 128580 | 2020-03-12 16:11:25 |
| R25.htm | 32023 | 2020-03-12 16:11:25 |
| R26.htm | 77541 | 2020-03-12 16:11:25 |
| R27.htm | 64380 | 2020-03-12 16:11:25 |
| R28.htm | 36706 | 2020-03-12 16:11:25 |
| R29.htm | 26204 | 2020-03-12 16:11:25 |
| R3.htm | 18929 | 2020-03-12 16:11:25 |
| R30.htm | 15578 | 2020-03-12 16:11:25 |
| R31.htm | 106547 | 2020-03-12 16:11:25 |
| R32.htm | 83361 | 2020-03-12 16:11:25 |
| R33.htm | 45468 | 2020-03-12 16:11:25 |
| R34.htm | 38512 | 2020-03-12 16:11:25 |
| R35.htm | 4049 | 2020-03-12 16:11:25 |
| R36.htm | 4423 | 2020-03-12 16:11:25 |
| R37.htm | 13018 | 2020-03-12 16:11:25 |
| R38.htm | 18070 | 2020-03-12 16:11:25 |
| R39.htm | 8950 | 2020-03-12 16:11:25 |
| R4.htm | 36836 | 2020-03-12 16:11:25 |
| R40.htm | 12574 | 2020-03-12 16:11:25 |
| R41.htm | 18816 | 2020-03-12 16:11:25 |
| R42.htm | 20227 | 2020-03-12 16:11:25 |
| R43.htm | 25506 | 2020-03-12 16:11:25 |
| R44.htm | 14156 | 2020-03-12 16:11:25 |
| R45.htm | 10881 | 2020-03-12 16:11:25 |
| R46.htm | 27315 | 2020-03-12 16:11:25 |
| R47.htm | 15841 | 2020-03-12 16:11:25 |
| R48.htm | 18141 | 2020-03-12 16:11:25 |
| R49.htm | 8130 | 2020-03-12 16:11:25 |
| R5.htm | 51411 | 2020-03-12 16:11:25 |
| R50.htm | 12158 | 2020-03-12 16:11:25 |
| R51.htm | 13865 | 2020-03-12 16:11:25 |
| R52.htm | 24711 | 2020-03-12 16:11:25 |
| R53.htm | 41426 | 2020-03-12 16:11:25 |
| R54.htm | 17164 | 2020-03-12 16:11:25 |
| R55.htm | 18872 | 2020-03-12 16:11:25 |
| R56.htm | 32798 | 2020-03-12 16:11:25 |
| R57.htm | 14407 | 2020-03-12 16:11:25 |
| R58.htm | 34748 | 2020-03-12 16:11:25 |
| R59.htm | 31481 | 2020-03-12 16:11:25 |
| R6.htm | 14598 | 2020-03-12 16:11:25 |
| R60.htm | 11948 | 2020-03-12 16:11:25 |
| R61.htm | 47524 | 2020-03-12 16:11:25 |
| R62.htm | 10366 | 2020-03-12 16:11:25 |
| R63.htm | 10564 | 2020-03-12 16:11:25 |
| R64.htm | 12202 | 2020-03-12 16:11:25 |
| R65.htm | 4351 | 2020-03-12 16:11:25 |
| R7.htm | 79397 | 2020-03-12 16:11:25 |
| R8.htm | 11503 | 2020-03-12 16:11:25 |
| R9.htm | 86413 | 2020-03-12 16:11:25 |
| report.css | 2767 | 2020-03-12 16:11:25 |
| Show.js | 1085 | 2020-03-12 16:11:25 |
| srrk-20191231.xml | 1389892 | 2020-03-12 16:11:25 |
| srrk-20191231.xsd | 43282 | 2020-03-12 16:11:25 |
| srrk-20191231ex21191adc2.htm | 6003 | 2020-03-12 16:11:25 |
| srrk-20191231ex231e55de2.htm | 6886 | 2020-03-12 16:11:25 |
| srrk-20191231ex311b3a9a3.htm | 14102 | 2020-03-12 16:11:25 |
| srrk-20191231ex312e8370f.htm | 14186 | 2020-03-12 16:11:25 |
| srrk-20191231ex321b97c1b.htm | 12422 | 2020-03-12 16:11:25 |
| srrk-20191231ex44cb64ddb.htm | 27800 | 2020-03-12 16:11:25 |
| srrk-20191231x10k.htm | 2730593 | 2020-03-12 16:11:25 |
| srrk-20191231_cal.xml | 64527 | 2020-03-12 16:11:25 |
| srrk-20191231_def.xml | 175018 | 2020-03-12 16:11:25 |
| srrk-20191231_lab.xml | 405303 | 2020-03-12 16:11:25 |
| srrk-20191231_pre.xml | 363313 | 2020-03-12 16:11:25 |
 srrk20191231x10k001.jpg | 24945 | 2020-03-12 16:11:25 |
 srrk20191231x10k002.jpg | 165487 | 2020-03-12 16:11:25 |
 srrk20191231x10k003.jpg | 24815 | 2020-03-12 16:11:25 |
 srrk20191231x10k004.jpg | 10578 | 2020-03-12 16:11:25 |
 srrk20191231x10k005.jpg | 87035 | 2020-03-12 16:11:25 |
 srrk20191231x10k006.jpg | 20950 | 2020-03-12 16:11:25 |
 srrk20191231x10k007.jpg | 39163 | 2020-03-12 16:11:25 |
 srrk20191231x10k008.jpg | 15593 | 2020-03-12 16:11:25 |
 srrk20191231x10k009.jpg | 45312 | 2020-03-12 16:11:25 |
 srrk20191231x10k010.jpg | 98378 | 2020-03-12 16:11:25 |
 srrk20191231x10k011.jpg | 38191 | 2020-03-12 16:11:25 |
 srrk20191231x10k012.jpg | 26035 | 2020-03-12 16:11:25 |
 srrk20191231x10k013.jpg | 87462 | 2020-03-12 16:11:25 |
 srrk20191231x10k014.jpg | 85498 | 2020-03-12 16:11:25 |
 srrk20191231x10k015.jpg | 55729 | 2020-03-12 16:11:25 |
 srrk20191231x10k016.jpg | 46395 | 2020-03-12 16:11:25 |
 srrk20191231x10k017.jpg | 20563 | 2020-03-12 16:11:25 |
 srrk20191231x10k018.jpg | 17605 | 2020-03-12 16:11:25 |