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| 0001628280-25-022731-index.html | 2025-05-06 16:36:32 | |
| 0001628280-25-022731.txt | 2025-05-06 16:36:32 | |
 0001628280-25-022731-xbrl.zip | 453260 | 2025-05-06 16:36:32 |
| ex101-1q25.htm | 551548 | 2025-05-06 16:36:32 |
| ex102-1q25.htm | 173053 | 2025-05-06 16:36:32 |
| ex311-1q25.htm | 10253 | 2025-05-06 16:36:32 |
| ex312-1q25.htm | 10208 | 2025-05-06 16:36:32 |
| ex321-1q25.htm | 4891 | 2025-05-06 16:36:32 |
| ex322-1q25.htm | 5028 | 2025-05-06 16:36:32 |
| FilingSummary.xml | 25379 | 2025-05-06 16:36:32 |
| Financial_Report.xlsx | 56347 | 2025-05-06 16:36:32 |
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| next-20250331.htm | 622169 | 2025-05-06 16:36:32 |
| next-20250331.xsd | 32681 | 2025-05-06 16:36:32 |
| next-20250331_cal.xml | 59731 | 2025-05-06 16:36:32 |
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 next-20250331_g1.jpg | 233408 | 2025-05-06 16:36:32 |
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| next-20250331_htm.xml | 424495 | 2025-05-06 16:36:32 |
| next-20250331_lab.xml | 440987 | 2025-05-06 16:36:32 |
| next-20250331_pre.xml | 305379 | 2025-05-06 16:36:32 |
| R1.htm | 51529 | 2025-05-06 16:36:32 |
| R10.htm | 13537 | 2025-05-06 16:36:32 |
| R11.htm | 12735 | 2025-05-06 16:36:32 |
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| R2.htm | 120200 | 2025-05-06 16:36:32 |
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| R21.htm | 12510 | 2025-05-06 16:36:32 |
| R22.htm | 12440 | 2025-05-06 16:36:32 |
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| R25.htm | 32535 | 2025-05-06 16:36:32 |
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| R27.htm | 13733 | 2025-05-06 16:36:32 |
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| R31.htm | 12508 | 2025-05-06 16:36:32 |
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| R8.htm | 13483 | 2025-05-06 16:36:32 |
| R9.htm | 12193 | 2025-05-06 16:36:32 |
| report.css | 2767 | 2025-05-06 16:36:32 |
| Show.js | 1085 | 2025-05-06 16:36:32 |