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| 0001157523-19-002096-index.html | 2019-10-24 14:44:37 | |
| 0001157523-19-002096.txt | 2019-10-24 14:44:37 | |
 0001157523-19-002096-xbrl.zip | 13858 | 2019-10-24 14:44:37 |
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| R1.htm | 38644 | 2019-10-24 14:44:37 |
| report.css | 2767 | 2019-10-24 14:44:37 |
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| usna-20191021.xsd | 4377 | 2019-10-24 14:44:37 |
| usna-20191021_lab.xml | 23692 | 2019-10-24 14:44:37 |
| usna-20191021_pre.xml | 16824 | 2019-10-24 14:44:37 |