Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001437749-22-012177-index-headers.html | 2022-05-12 17:09:38 | |
| 0001437749-22-012177-index.html | 2022-05-12 17:09:38 | |
| 0001437749-22-012177.txt | 2022-05-12 17:09:38 | |
 0001437749-22-012177-xbrl.zip | 127189 | 2022-05-12 17:09:38 |
| ex_370810.htm | 8177 | 2022-05-12 17:09:38 |
| ex_370811.htm | 8106 | 2022-05-12 17:09:38 |
| ex_370812.htm | 3669 | 2022-05-12 17:09:38 |
| ex_370813.htm | 3791 | 2022-05-12 17:09:38 |
| FilingSummary.xml | 23323 | 2022-05-12 17:09:38 |
| Financial_Report.xlsx | 49514 | 2022-05-12 17:09:38 |
| MetaLinks.json | 447236 | 2022-05-12 17:09:38 |
| R1.htm | 49469 | 2022-05-12 17:09:38 |
| R10.htm | 27323 | 2022-05-12 17:09:38 |
| R11.htm | 154770 | 2022-05-12 17:09:38 |
| R12.htm | 8667 | 2022-05-12 17:09:38 |
| R13.htm | 6318 | 2022-05-12 17:09:38 |
| R14.htm | 30736 | 2022-05-12 17:09:38 |
| R15.htm | 177656 | 2022-05-12 17:09:38 |
| R16.htm | 25013 | 2022-05-12 17:09:38 |
| R17.htm | 146269 | 2022-05-12 17:09:38 |
| R18.htm | 14062 | 2022-05-12 17:09:38 |
| R19.htm | 27687 | 2022-05-12 17:09:38 |
| R2.htm | 104025 | 2022-05-12 17:09:38 |
| R20.htm | 31342 | 2022-05-12 17:09:38 |
| R21.htm | 39548 | 2022-05-12 17:09:38 |
| R22.htm | 6172 | 2022-05-12 17:09:38 |
| R23.htm | 35884 | 2022-05-12 17:09:38 |
| R24.htm | 8259 | 2022-05-12 17:09:38 |
| R25.htm | 9881 | 2022-05-12 17:09:38 |
| R26.htm | 6893 | 2022-05-12 17:09:38 |
| R27.htm | 15635 | 2022-05-12 17:09:38 |
| R28.htm | 7776 | 2022-05-12 17:09:38 |
| R29.htm | 2802 | 2022-05-12 17:09:38 |
| R3.htm | 13387 | 2022-05-12 17:09:38 |
| R30.htm | 65009 | 2022-05-12 17:09:38 |
| R31.htm | 13788 | 2022-05-12 17:09:38 |
| R32.htm | 37679 | 2022-05-12 17:09:38 |
| R33.htm | 10806 | 2022-05-12 17:09:38 |
| R4.htm | 71193 | 2022-05-12 17:09:38 |
| R5.htm | 36801 | 2022-05-12 17:09:38 |
| R6.htm | 2642 | 2022-05-12 17:09:38 |
| R7.htm | 108537 | 2022-05-12 17:09:38 |
| R8.htm | 27941 | 2022-05-12 17:09:38 |
| R9.htm | 174360 | 2022-05-12 17:09:38 |
| report.css | 2767 | 2022-05-12 17:09:38 |
| Show.js | 1085 | 2022-05-12 17:09:38 |
| usac-20220331.xsd | 36866 | 2022-05-12 17:09:38 |
| usac-20220331_cal.xml | 44741 | 2022-05-12 17:09:38 |
| usac-20220331_def.xml | 246970 | 2022-05-12 17:09:38 |
| usac-20220331_lab.xml | 233632 | 2022-05-12 17:09:38 |
| usac-20220331_pre.xml | 267728 | 2022-05-12 17:09:38 |
| usac20220331_10q.htm | 1181030 | 2022-05-12 17:09:38 |
| usac20220331_10q_htm.xml | 1135454 | 2022-05-12 17:09:38 |