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| 0001437749-19-016296-index.html | 2019-08-12 09:07:02 | |
| 0001437749-19-016296.txt | 2019-08-12 09:07:02 | |
 0001437749-19-016296-xbrl.zip | 88915 | 2019-08-12 09:07:02 |
| ex_151559.htm | 9450 | 2019-08-12 09:07:02 |
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| ex_151561.htm | 4173 | 2019-08-12 09:07:02 |
| ex_151562.htm | 4506 | 2019-08-12 09:07:02 |
| FilingSummary.xml | 18411 | 2019-08-12 09:07:02 |
| Financial_Report.xlsx | 36403 | 2019-08-12 09:07:02 |
| R1.htm | 30979 | 2019-08-12 09:07:02 |
| R10.htm | 45516 | 2019-08-12 09:07:02 |
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| R8.htm | 3904 | 2019-08-12 09:07:02 |
| R9.htm | 82351 | 2019-08-12 09:07:02 |
| report.css | 2767 | 2019-08-12 09:07:02 |
| Show.js | 1085 | 2019-08-12 09:07:02 |
| usac-20190630.xml | 1265285 | 2019-08-12 09:07:02 |
| usac-20190630.xsd | 27017 | 2019-08-12 09:07:02 |
| usac-20190630_cal.xml | 39014 | 2019-08-12 09:07:02 |
| usac-20190630_def.xml | 195672 | 2019-08-12 09:07:02 |
| usac-20190630_lab.xml | 176485 | 2019-08-12 09:07:02 |
| usac-20190630_pre.xml | 212050 | 2019-08-12 09:07:02 |
| usac20190630_10q.htm | 1067354 | 2019-08-12 09:07:02 |