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| 0000883945-20-000057-index.html | 2020-10-29 16:07:10 | |
| 0000883945-20-000057.txt | 2020-10-29 16:07:10 | |
 0000883945-20-000057-xbrl.zip | 37549 | 2020-10-29 16:07:10 |
| FilingSummary.xml | 1796 | 2020-10-29 16:07:10 |
| Financial_Report.xlsx | 5438 | 2020-10-29 16:07:10 |
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| R1.htm | 38568 | 2020-10-29 16:07:10 |
| report.css | 2767 | 2020-10-29 16:07:10 |
| Show.js | 1085 | 2020-10-29 16:07:10 |
| usak-20201029.xsd | 2840 | 2020-10-29 16:07:10 |
| usak-20201029ex9915d7c2f.htm | 640463 | 2020-10-29 16:07:10 |
 usak-20201029ex9915d7c2f001.jpg | 5670 | 2020-10-29 16:07:10 |
| usak-20201029x8k.htm | 37005 | 2020-10-29 16:07:10 |
 usak-20201029x8k001.jpg | 3513 | 2020-10-29 16:07:10 |
| usak-20201029x8k_htm.xml | 4702 | 2020-10-29 16:07:10 |
| usak-20201029_lab.xml | 15490 | 2020-10-29 16:07:10 |
| usak-20201029_pre.xml | 11049 | 2020-10-29 16:07:10 |