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 0000798949-20-000034-index-headers.html | 2020-05-21 17:24:02 | |
| 0000798949-20-000034-index.html | 2020-05-21 17:24:02 | |
| 0000798949-20-000034.txt | 2020-05-21 17:24:02 | |
 0000798949-20-000034-xbrl.zip | 36381 | 2020-05-21 17:24:02 |
| exhibit103fourthamendm.htm | 59405 | 2020-05-21 17:24:02 |
| exhibit105amendmenttot.htm | 11615 | 2020-05-21 17:24:02 |
| exhibit106amendmenttot.htm | 11625 | 2020-05-21 17:24:02 |
| FilingSummary.xml | 1865 | 2020-05-21 17:24:02 |
| Financial_Report.xlsx | 5767 | 2020-05-21 17:24:02 |
| MetaLinks.json | 18336 | 2020-05-21 17:24:02 |
| R1.htm | 40060 | 2020-05-21 17:24:02 |
| report.css | 2767 | 2020-05-21 17:24:02 |
| Show.js | 1085 | 2020-05-21 17:24:02 |
| unt-20200515.htm | 55189 | 2020-05-21 17:24:02 |
| unt-20200515.xsd | 2556 | 2020-05-21 17:24:02 |
| unt-20200515_cal.xml | 710 | 2020-05-21 17:24:02 |
| unt-20200515_def.xml | 1646 | 2020-05-21 17:24:02 |
 unt-20200515_g1.jpg | 13982 | 2020-05-21 17:24:02 |
| unt-20200515_htm.xml | 11189 | 2020-05-21 17:24:02 |
| unt-20200515_lab.xml | 24935 | 2020-05-21 17:24:02 |
| unt-20200515_pre.xml | 13175 | 2020-05-21 17:24:02 |