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| 0001437749-22-015633-index.html | 2022-06-22 17:19:41 | |
| 0001437749-22-015633.txt | 2022-06-22 17:19:41 | |
 0001437749-22-015633-xbrl.zip | 12466 | 2022-06-22 17:19:41 |
| ex_389091.htm | 12321 | 2022-06-22 17:19:41 |
| FilingSummary.xml | 1772 | 2022-06-22 17:19:41 |
| Financial_Report.xlsx | 5703 | 2022-06-22 17:19:41 |
| MetaLinks.json | 18994 | 2022-06-22 17:19:41 |
| next-20220622.xsd | 3601 | 2022-06-22 17:19:41 |
| next-20220622_def.xml | 11571 | 2022-06-22 17:19:41 |
| next-20220622_lab.xml | 15498 | 2022-06-22 17:19:41 |
| next-20220622_pre.xml | 11727 | 2022-06-22 17:19:41 |
| next20220620_8k.htm | 42662 | 2022-06-22 17:19:41 |
| next20220620_8k_htm.xml | 2591 | 2022-06-22 17:19:41 |
| R1.htm | 38889 | 2022-06-22 17:19:41 |
| report.css | 2767 | 2022-06-22 17:19:41 |
| Show.js | 1085 | 2022-06-22 17:19:41 |