Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001437749-20-017784-index-headers.html | 2020-08-13 12:44:18 | |
| 0001437749-20-017784-index.html | 2020-08-13 12:44:18 | |
| 0001437749-20-017784.txt | 2020-08-13 12:44:18 | |
 0001437749-20-017784-xbrl.zip | 114556 | 2020-08-13 12:44:18 |
| ex_197441.htm | 10564 | 2020-08-13 12:44:18 |
| ex_197442.htm | 10521 | 2020-08-13 12:44:18 |
| ex_197443.htm | 5679 | 2020-08-13 12:44:18 |
| ex_197444.htm | 5985 | 2020-08-13 12:44:18 |
| FilingSummary.xml | 23060 | 2020-08-13 12:44:18 |
| Financial_Report.xlsx | 52804 | 2020-08-13 12:44:18 |
| R1.htm | 34611 | 2020-08-13 12:44:18 |
| R10.htm | 34193 | 2020-08-13 12:44:18 |
| R11.htm | 216445 | 2020-08-13 12:44:18 |
| R12.htm | 9341 | 2020-08-13 12:44:18 |
| R13.htm | 6730 | 2020-08-13 12:44:18 |
| R14.htm | 57481 | 2020-08-13 12:44:18 |
| R15.htm | 262369 | 2020-08-13 12:44:18 |
| R16.htm | 31157 | 2020-08-13 12:44:18 |
| R17.htm | 204657 | 2020-08-13 12:44:18 |
| R18.htm | 41240 | 2020-08-13 12:44:18 |
| R19.htm | 16484 | 2020-08-13 12:44:18 |
| R2.htm | 91706 | 2020-08-13 12:44:18 |
| R20.htm | 26995 | 2020-08-13 12:44:18 |
| R21.htm | 39068 | 2020-08-13 12:44:18 |
| R22.htm | 6578 | 2020-08-13 12:44:18 |
| R23.htm | 33448 | 2020-08-13 12:44:18 |
| R24.htm | 6600 | 2020-08-13 12:44:18 |
| R25.htm | 6432 | 2020-08-13 12:44:18 |
| R26.htm | 2858 | 2020-08-13 12:44:18 |
| R27.htm | 16835 | 2020-08-13 12:44:18 |
| R28.htm | 7312 | 2020-08-13 12:44:18 |
| R29.htm | 2723 | 2020-08-13 12:44:18 |
| R3.htm | 13338 | 2020-08-13 12:44:18 |
| R30.htm | 62631 | 2020-08-13 12:44:18 |
| R31.htm | 16539 | 2020-08-13 12:44:18 |
| R32.htm | 35943 | 2020-08-13 12:44:18 |
| R33.htm | 9432 | 2020-08-13 12:44:18 |
| R4.htm | 63490 | 2020-08-13 12:44:18 |
| R5.htm | 49364 | 2020-08-13 12:44:18 |
| R6.htm | 3909 | 2020-08-13 12:44:18 |
| R7.htm | 108571 | 2020-08-13 12:44:18 |
| R8.htm | 52128 | 2020-08-13 12:44:18 |
| R9.htm | 261967 | 2020-08-13 12:44:18 |
| report.css | 2767 | 2020-08-13 12:44:18 |
| Show.js | 1085 | 2020-08-13 12:44:18 |
| usac-20200630.xml | 1568468 | 2020-08-13 12:44:18 |
| usac-20200630.xsd | 36432 | 2020-08-13 12:44:18 |
| usac-20200630_cal.xml | 43499 | 2020-08-13 12:44:18 |
| usac-20200630_def.xml | 252585 | 2020-08-13 12:44:18 |
| usac-20200630_lab.xml | 225832 | 2020-08-13 12:44:18 |
| usac-20200630_pre.xml | 271299 | 2020-08-13 12:44:18 |
| usac20200630_10q.htm | 1260586 | 2020-08-13 12:44:18 |