Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000798949-20-000008-index-headers.html | 2020-03-16 16:28:44 | |
| 0000798949-20-000008-index.html | 2020-03-16 16:28:44 | |
| 0000798949-20-000008.txt | 2020-03-16 16:28:44 | |
 0000798949-20-000008-xbrl.zip | 52818 | 2020-03-16 16:28:44 |
| a4q19991pressrelease.htm | 766835 | 2020-03-16 16:28:44 |
| FilingSummary.xml | 1775 | 2020-03-16 16:28:44 |
| Financial_Report.xlsx | 5761 | 2020-03-16 16:28:44 |
| MetaLinks.json | 18330 | 2020-03-16 16:28:44 |
| R1.htm | 40057 | 2020-03-16 16:28:44 |
| report.css | 2767 | 2020-03-16 16:28:44 |
| Show.js | 1085 | 2020-03-16 16:28:44 |
| unt-20200316.htm | 63289 | 2020-03-16 16:28:44 |
| unt-20200316.xsd | 2556 | 2020-03-16 16:28:44 |
| unt-20200316_cal.xml | 710 | 2020-03-16 16:28:44 |
| unt-20200316_def.xml | 1674 | 2020-03-16 16:28:44 |
 unt-20200316_g1.jpg | 13982 | 2020-03-16 16:28:44 |
| unt-20200316_htm.xml | 11189 | 2020-03-16 16:28:44 |
| unt-20200316_lab.xml | 24930 | 2020-03-16 16:28:44 |
| unt-20200316_pre.xml | 13175 | 2020-03-16 16:28:44 |