Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001401708-22-000051-index-headers.html | 2022-03-01 17:14:39 | |
| 0001401708-22-000051-index.html | 2022-03-01 17:14:39 | |
| 0001401708-22-000051.txt | 2022-03-01 17:14:39 | |
 0001401708-22-000051-xbrl.zip | 1582325 | 2022-03-01 17:14:39 |
| FilingSummary.xml | 45199 | 2022-03-01 17:14:39 |
| Financial_Report.xlsx | 124067 | 2022-03-01 17:14:39 |
 image_2.jpg | 30703 | 2022-03-01 17:14:39 |
| MetaLinks.json | 877060 | 2022-03-01 17:14:39 |
| nstg-20211231.htm | 2530359 | 2022-03-01 17:14:39 |
| nstg-20211231.xsd | 56191 | 2022-03-01 17:14:39 |
| nstg-20211231_cal.xml | 97553 | 2022-03-01 17:14:39 |
| nstg-20211231_def.xml | 317849 | 2022-03-01 17:14:39 |
 nstg-20211231_g1.jpg | 29107 | 2022-03-01 17:14:39 |
 nstg-20211231_g10.jpg | 2679 | 2022-03-01 17:14:39 |
 nstg-20211231_g11.jpg | 2836 | 2022-03-01 17:14:39 |
 nstg-20211231_g12.jpg | 5830 | 2022-03-01 17:14:39 |
 nstg-20211231_g13.jpg | 2578 | 2022-03-01 17:14:39 |
 nstg-20211231_g14.jpg | 2898 | 2022-03-01 17:14:39 |
 nstg-20211231_g15.jpg | 7255 | 2022-03-01 17:14:39 |
 nstg-20211231_g16.jpg | 6679 | 2022-03-01 17:14:39 |
 nstg-20211231_g17.jpg | 3025 | 2022-03-01 17:14:39 |
 nstg-20211231_g18.jpg | 2482 | 2022-03-01 17:14:39 |
 nstg-20211231_g19.jpg | 8203 | 2022-03-01 17:14:39 |
 nstg-20211231_g2.jpg | 56726 | 2022-03-01 17:14:39 |
 nstg-20211231_g20.jpg | 4674 | 2022-03-01 17:14:39 |
 nstg-20211231_g21.jpg | 2534 | 2022-03-01 17:14:39 |
 nstg-20211231_g22.jpg | 2824 | 2022-03-01 17:14:39 |
 nstg-20211231_g23.jpg | 2649 | 2022-03-01 17:14:39 |
 nstg-20211231_g24.jpg | 8449 | 2022-03-01 17:14:39 |
 nstg-20211231_g25.jpg | 22293 | 2022-03-01 17:14:39 |
 nstg-20211231_g26.jpg | 107096 | 2022-03-01 17:14:39 |
 nstg-20211231_g27.jpg | 31940 | 2022-03-01 17:14:39 |
 nstg-20211231_g28.jpg | 36742 | 2022-03-01 17:14:39 |
 nstg-20211231_g29.jpg | 107335 | 2022-03-01 17:14:39 |
 nstg-20211231_g3.jpg | 40844 | 2022-03-01 17:14:39 |
 nstg-20211231_g30.jpg | 431466 | 2022-03-01 17:14:39 |
 nstg-20211231_g31.jpg | 170480 | 2022-03-01 17:14:39 |
 nstg-20211231_g4.jpg | 22458 | 2022-03-01 17:14:39 |
 nstg-20211231_g5.jpg | 2375 | 2022-03-01 17:14:39 |
 nstg-20211231_g6.jpg | 10688 | 2022-03-01 17:14:39 |
 nstg-20211231_g7.jpg | 2388 | 2022-03-01 17:14:39 |
 nstg-20211231_g8.jpg | 2510 | 2022-03-01 17:14:39 |
 nstg-20211231_g9.jpg | 7450 | 2022-03-01 17:14:39 |
| nstg-20211231_htm.xml | 1735580 | 2022-03-01 17:14:39 |
| nstg-20211231_lab.xml | 849824 | 2022-03-01 17:14:39 |
| nstg-20211231_pre.xml | 566426 | 2022-03-01 17:14:39 |
| nstg-2021ex1021.htm | 118233 | 2022-03-01 17:14:39 |
| nstg-2021ex1024.htm | 217668 | 2022-03-01 17:14:39 |
| nstg-2021ex1031.htm | 24657 | 2022-03-01 17:14:39 |
| nstg-2021ex211.htm | 6645 | 2022-03-01 17:14:39 |
| nstg-2021ex231.htm | 4300 | 2022-03-01 17:14:39 |
| nstg-2021ex232.htm | 2151 | 2022-03-01 17:14:39 |
| nstg-2021ex311.htm | 9989 | 2022-03-01 17:14:39 |
| nstg-2021ex312.htm | 9992 | 2022-03-01 17:14:39 |
| nstg-2021ex321.htm | 6753 | 2022-03-01 17:14:39 |
| nstg-2021ex322.htm | 6494 | 2022-03-01 17:14:39 |
 nstg-logoa06.jpg | 29107 | 2022-03-01 17:14:39 |
| R1.htm | 61696 | 2022-03-01 17:14:39 |
| R10.htm | 49446 | 2022-03-01 17:14:39 |
| R11.htm | 67791 | 2022-03-01 17:14:39 |
| R12.htm | 55939 | 2022-03-01 17:14:39 |
| R13.htm | 41024 | 2022-03-01 17:14:39 |
| R14.htm | 9123 | 2022-03-01 17:14:39 |
| R15.htm | 38463 | 2022-03-01 17:14:39 |
| R16.htm | 10916 | 2022-03-01 17:14:39 |
| R17.htm | 20194 | 2022-03-01 17:14:39 |
| R18.htm | 44968 | 2022-03-01 17:14:39 |
| R19.htm | 13162 | 2022-03-01 17:14:39 |
| R2.htm | 8112 | 2022-03-01 17:14:39 |
| R20.htm | 13582 | 2022-03-01 17:14:39 |
| R21.htm | 64899 | 2022-03-01 17:14:39 |
| R22.htm | 8358 | 2022-03-01 17:14:39 |
| R23.htm | 81171 | 2022-03-01 17:14:39 |
| R24.htm | 11884 | 2022-03-01 17:14:39 |
| R25.htm | 11832 | 2022-03-01 17:14:39 |
| R26.htm | 105301 | 2022-03-01 17:14:39 |
| R27.htm | 6854 | 2022-03-01 17:14:39 |
| R28.htm | 61436 | 2022-03-01 17:14:39 |
| R29.htm | 57914 | 2022-03-01 17:14:39 |
| R3.htm | 118551 | 2022-03-01 17:14:39 |
| R30.htm | 36304 | 2022-03-01 17:14:39 |
| R31.htm | 53835 | 2022-03-01 17:14:39 |
| R32.htm | 11938 | 2022-03-01 17:14:39 |
| R33.htm | 19184 | 2022-03-01 17:14:39 |
| R34.htm | 27350 | 2022-03-01 17:14:39 |
| R35.htm | 64017 | 2022-03-01 17:14:39 |
| R36.htm | 86768 | 2022-03-01 17:14:39 |
| R37.htm | 11176 | 2022-03-01 17:14:39 |
| R38.htm | 4048 | 2022-03-01 17:14:39 |
| R39.htm | 72391 | 2022-03-01 17:14:39 |
| R4.htm | 83939 | 2022-03-01 17:14:39 |
| R40.htm | 30829 | 2022-03-01 17:14:39 |
| R41.htm | 50608 | 2022-03-01 17:14:39 |
| R42.htm | 47304 | 2022-03-01 17:14:39 |
| R43.htm | 10167 | 2022-03-01 17:14:39 |
| R44.htm | 41216 | 2022-03-01 17:14:39 |
| R45.htm | 15735 | 2022-03-01 17:14:39 |
| R46.htm | 22052 | 2022-03-01 17:14:39 |
| R47.htm | 14468 | 2022-03-01 17:14:39 |
| R48.htm | 23487 | 2022-03-01 17:14:39 |
| R49.htm | 42330 | 2022-03-01 17:14:39 |
| R5.htm | 22629 | 2022-03-01 17:14:39 |
| R50.htm | 12124 | 2022-03-01 17:14:39 |
| R51.htm | 26651 | 2022-03-01 17:14:39 |
| R52.htm | 4925 | 2022-03-01 17:14:39 |
| R53.htm | 98615 | 2022-03-01 17:14:39 |
| R54.htm | 19013 | 2022-03-01 17:14:39 |
| R55.htm | 16323 | 2022-03-01 17:14:39 |
| R56.htm | 26979 | 2022-03-01 17:14:39 |
| R57.htm | 33067 | 2022-03-01 17:14:39 |
| R58.htm | 67912 | 2022-03-01 17:14:39 |
| R59.htm | 47213 | 2022-03-01 17:14:39 |
| R6.htm | 77982 | 2022-03-01 17:14:39 |
| R60.htm | 44571 | 2022-03-01 17:14:39 |
| R61.htm | 25141 | 2022-03-01 17:14:39 |
| R62.htm | 11845 | 2022-03-01 17:14:39 |
| R63.htm | 16630 | 2022-03-01 17:14:39 |
| R64.htm | 4564 | 2022-03-01 17:14:39 |
| R65.htm | 12429 | 2022-03-01 17:14:39 |
| R66.htm | 12617 | 2022-03-01 17:14:39 |
| R67.htm | 15180 | 2022-03-01 17:14:39 |
| R68.htm | 25893 | 2022-03-01 17:14:39 |
| R69.htm | 32195 | 2022-03-01 17:14:39 |
| R7.htm | 58027 | 2022-03-01 17:14:39 |
| R70.htm | 14083 | 2022-03-01 17:14:39 |
| R71.htm | 7579 | 2022-03-01 17:14:39 |
| R72.htm | 6005 | 2022-03-01 17:14:39 |
| R73.htm | 13045 | 2022-03-01 17:14:39 |
| R8.htm | 132974 | 2022-03-01 17:14:39 |
| R9.htm | 6039 | 2022-03-01 17:14:39 |
| report.css | 2768 | 2022-03-01 17:14:39 |
| Show.js | 1086 | 2022-03-01 17:14:39 |