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| 0001437749-19-021675-index.html | 2019-11-06 10:13:53 | |
| 0001437749-19-021675.txt | 2019-11-06 10:13:53 | |
 0001437749-19-021675-xbrl.zip | 88041 | 2019-11-06 10:13:53 |
| ex_161390.htm | 9608 | 2019-11-06 10:13:53 |
| ex_161391.htm | 9677 | 2019-11-06 10:13:53 |
| ex_161392.htm | 3948 | 2019-11-06 10:13:53 |
| ex_161393.htm | 3938 | 2019-11-06 10:13:53 |
| FilingSummary.xml | 16148 | 2019-11-06 10:13:53 |
| Financial_Report.xlsx | 33470 | 2019-11-06 10:13:53 |
| R1.htm | 29443 | 2019-11-06 10:13:53 |
| R10.htm | 127811 | 2019-11-06 10:13:53 |
| R11.htm | 7260 | 2019-11-06 10:13:53 |
| R12.htm | 6644 | 2019-11-06 10:13:53 |
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| R14.htm | 279166 | 2019-11-06 10:13:53 |
| R15.htm | 119098 | 2019-11-06 10:13:53 |
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| R19.htm | 6541 | 2019-11-06 10:13:53 |
| R2.htm | 72887 | 2019-11-06 10:13:53 |
| R20.htm | 39910 | 2019-11-06 10:13:53 |
| R21.htm | 44419 | 2019-11-06 10:13:53 |
| R22.htm | 21042 | 2019-11-06 10:13:53 |
| R23.htm | 7443 | 2019-11-06 10:13:53 |
| R3.htm | 14830 | 2019-11-06 10:13:53 |
| R4.htm | 58550 | 2019-11-06 10:13:53 |
| R5.htm | 41054 | 2019-11-06 10:13:53 |
| R6.htm | 3904 | 2019-11-06 10:13:53 |
| R7.htm | 82597 | 2019-11-06 10:13:53 |
| R8.htm | 48346 | 2019-11-06 10:13:53 |
| R9.htm | 286575 | 2019-11-06 10:13:53 |
| report.css | 2767 | 2019-11-06 10:13:53 |
| Show.js | 1085 | 2019-11-06 10:13:53 |
| usac-20190930.xml | 1278847 | 2019-11-06 10:13:53 |
| usac-20190930.xsd | 24262 | 2019-11-06 10:13:53 |
| usac-20190930_cal.xml | 38962 | 2019-11-06 10:13:53 |
| usac-20190930_def.xml | 180604 | 2019-11-06 10:13:53 |
| usac-20190930_lab.xml | 175841 | 2019-11-06 10:13:53 |
| usac-20190930_pre.xml | 195783 | 2019-11-06 10:13:53 |
| usac20190930_10q.htm | 1067217 | 2019-11-06 10:13:53 |