Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000896264-25-000117-index-headers.html | 2025-04-15 19:18:08 | |
| 0000896264-25-000117-index.html | 2025-04-15 19:18:08 | |
| 0000896264-25-000117.txt | 2025-04-15 19:18:08 | |
 0000896264-25-000117-xbrl.zip | 77387610 | 2025-04-15 19:18:08 |
| FilingSummary.xml | 5172 | 2025-04-15 19:18:08 |
| Financial_Report.xlsx | 13978 | 2025-04-15 19:18:08 |
| MetaLinks.json | 195898 | 2025-04-15 19:18:08 |
| R1.htm | 10835 | 2025-04-15 19:18:08 |
| R2.htm | 185397 | 2025-04-15 19:18:08 |
| R3.htm | 13758 | 2025-04-15 19:18:08 |
| R4.htm | 4370 | 2025-04-15 19:18:08 |
| report.css | 2767 | 2025-04-15 19:18:08 |
| Show.js | 1085 | 2025-04-15 19:18:08 |
| usna-20250415.htm | 983766 | 2025-04-15 19:18:08 |
| usna-20250415.xsd | 2439 | 2025-04-15 19:18:08 |
| usna-20250415_def.xml | 2624 | 2025-04-15 19:18:08 |
 usna-20250415_g1.jpg | 8253682 | 2025-04-15 19:18:08 |
 usna-20250415_g10.jpg | 10242091 | 2025-04-15 19:18:08 |
 usna-20250415_g11.jpg | 8318584 | 2025-04-15 19:18:08 |
 usna-20250415_g12.jpg | 9116459 | 2025-04-15 19:18:08 |
 usna-20250415_g13.jpg | 8522849 | 2025-04-15 19:18:08 |
 usna-20250415_g14.jpg | 139045 | 2025-04-15 19:18:08 |
 usna-20250415_g15.jpg | 191505 | 2025-04-15 19:18:08 |
 usna-20250415_g16.jpg | 289332 | 2025-04-15 19:18:08 |
 usna-20250415_g17.jpg | 178267 | 2025-04-15 19:18:08 |
 usna-20250415_g18.jpg | 9434 | 2025-04-15 19:18:08 |
 usna-20250415_g19.jpg | 135192 | 2025-04-15 19:18:08 |
 usna-20250415_g2.jpg | 13285 | 2025-04-15 19:18:08 |
 usna-20250415_g20.jpg | 152581 | 2025-04-15 19:18:08 |
 usna-20250415_g21.jpg | 155212 | 2025-04-15 19:18:08 |
 usna-20250415_g22.jpg | 110952 | 2025-04-15 19:18:08 |
 usna-20250415_g23.jpg | 31410 | 2025-04-15 19:18:08 |
 usna-20250415_g24.jpg | 234905 | 2025-04-15 19:18:08 |
 usna-20250415_g25.jpg | 207123 | 2025-04-15 19:18:08 |
 usna-20250415_g26.jpg | 259415 | 2025-04-15 19:18:08 |
 usna-20250415_g27.jpg | 236575 | 2025-04-15 19:18:08 |
 usna-20250415_g28.jpg | 235773 | 2025-04-15 19:18:08 |
 usna-20250415_g29.jpg | 226704 | 2025-04-15 19:18:08 |
 usna-20250415_g3.jpg | 11443 | 2025-04-15 19:18:08 |
 usna-20250415_g30.jpg | 190545 | 2025-04-15 19:18:08 |
 usna-20250415_g31.jpg | 207092 | 2025-04-15 19:18:08 |
 usna-20250415_g32.jpg | 296839 | 2025-04-15 19:18:08 |
 usna-20250415_g33.jpg | 264509 | 2025-04-15 19:18:08 |
 usna-20250415_g34.jpg | 269621 | 2025-04-15 19:18:08 |
 usna-20250415_g35.jpg | 316827 | 2025-04-15 19:18:08 |
 usna-20250415_g36.jpg | 288513 | 2025-04-15 19:18:08 |
 usna-20250415_g37.jpg | 281926 | 2025-04-15 19:18:08 |
 usna-20250415_g38.jpg | 293065 | 2025-04-15 19:18:08 |
 usna-20250415_g39.jpg | 275246 | 2025-04-15 19:18:08 |
 usna-20250415_g4.jpg | 12467 | 2025-04-15 19:18:08 |
 usna-20250415_g40.jpg | 291799 | 2025-04-15 19:18:08 |
 usna-20250415_g41.jpg | 277614 | 2025-04-15 19:18:08 |
 usna-20250415_g42.jpg | 291051 | 2025-04-15 19:18:08 |
 usna-20250415_g43.jpg | 265835 | 2025-04-15 19:18:08 |
 usna-20250415_g44.jpg | 253748 | 2025-04-15 19:18:08 |
 usna-20250415_g45.jpg | 270992 | 2025-04-15 19:18:08 |
 usna-20250415_g46.jpg | 275550 | 2025-04-15 19:18:08 |
 usna-20250415_g47.jpg | 61071 | 2025-04-15 19:18:08 |
 usna-20250415_g5.jpg | 12444 | 2025-04-15 19:18:08 |
 usna-20250415_g6.jpg | 11200 | 2025-04-15 19:18:08 |
 usna-20250415_g7.jpg | 7946413 | 2025-04-15 19:18:08 |
 usna-20250415_g8.jpg | 8936745 | 2025-04-15 19:18:08 |
 usna-20250415_g9.jpg | 9116482 | 2025-04-15 19:18:08 |
| usna-20250415_htm.xml | 151300 | 2025-04-15 19:18:08 |
| usna-20250415_lab.xml | 2890 | 2025-04-15 19:18:08 |
| usna-20250415_pre.xml | 1695 | 2025-04-15 19:18:08 |