Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001688476-20-000080-index-headers.html | 2020-08-03 16:49:31 | |
| 0001688476-20-000080-index.html | 2020-08-03 16:49:31 | |
| 0001688476-20-000080.txt | 2020-08-03 16:49:31 | |
 0001688476-20-000080-xbrl.zip | 34411 | 2020-08-03 16:49:31 |
| exhibit991earningsrele.htm | 421447 | 2020-08-03 16:49:31 |
| FilingSummary.xml | 1731 | 2020-08-03 16:49:31 |
| Financial_Report.xlsx | 5446 | 2020-08-03 16:49:31 |
| frac-20200803.htm | 64643 | 2020-08-03 16:49:31 |
| frac-20200803.xsd | 2424 | 2020-08-03 16:49:31 |
| frac-20200803_cal.xml | 714 | 2020-08-03 16:49:31 |
| frac-20200803_def.xml | 1651 | 2020-08-03 16:49:31 |
| frac-20200803_htm.xml | 11441 | 2020-08-03 16:49:31 |
| frac-20200803_lab.xml | 24275 | 2020-08-03 16:49:31 |
| frac-20200803_pre.xml | 12650 | 2020-08-03 16:49:31 |
| MetaLinks.json | 17261 | 2020-08-03 16:49:31 |
 nextierlogoa0711.jpg | 8695 | 2020-08-03 16:49:31 |
| R1.htm | 38608 | 2020-08-03 16:49:31 |
| report.css | 2767 | 2020-08-03 16:49:31 |
| Show.js | 1085 | 2020-08-03 16:49:31 |