Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001016178-19-000021-index-headers.html | 2019-11-13 16:02:05 | |
| 0001016178-19-000021-index.html | 2019-11-13 16:02:05 | |
| 0001016178-19-000021.txt | 2019-11-13 16:02:05 | |
 0001016178-19-000021-xbrl.zip | 269682 | 2019-11-13 16:02:05 |
| a20190930-10q.htm | 2554488 | 2019-11-13 16:02:05 |
| carv-20190930.xml | 3975946 | 2019-11-13 16:02:05 |
| carv-20190930.xsd | 35628 | 2019-11-13 16:02:05 |
| carv-20190930_cal.xml | 85484 | 2019-11-13 16:02:05 |
| carv-20190930_def.xml | 282001 | 2019-11-13 16:02:05 |
| carv-20190930_lab.xml | 682078 | 2019-11-13 16:02:05 |
| carv-20190930_pre.xml | 471493 | 2019-11-13 16:02:05 |
| FilingSummary.xml | 37623 | 2019-11-13 16:02:05 |
| Financial_Report.xlsx | 90490 | 2019-11-13 16:02:05 |
| R1.htm | 29455 | 2019-11-13 16:02:05 |
| R10.htm | 34572 | 2019-11-13 16:02:05 |
| R11.htm | 5935 | 2019-11-13 16:02:05 |
| R12.htm | 21804 | 2019-11-13 16:02:05 |
| R13.htm | 265550 | 2019-11-13 16:02:05 |
| R14.htm | 627232 | 2019-11-13 16:02:05 |
| R15.htm | 221844 | 2019-11-13 16:02:05 |
| R16.htm | 136992 | 2019-11-13 16:02:05 |
| R17.htm | 106626 | 2019-11-13 16:02:05 |
| R18.htm | 51716 | 2019-11-13 16:02:05 |
| R19.htm | 25468 | 2019-11-13 16:02:05 |
| R2.htm | 97480 | 2019-11-13 16:02:05 |
| R20.htm | 9025 | 2019-11-13 16:02:05 |
| R21.htm | 34637 | 2019-11-13 16:02:05 |
| R22.htm | 20482 | 2019-11-13 16:02:05 |
| R23.htm | 259037 | 2019-11-13 16:02:05 |
| R24.htm | 625359 | 2019-11-13 16:02:05 |
| R25.htm | 220494 | 2019-11-13 16:02:05 |
| R26.htm | 131660 | 2019-11-13 16:02:05 |
| R27.htm | 103262 | 2019-11-13 16:02:05 |
| R28.htm | 50232 | 2019-11-13 16:02:05 |
| R29.htm | 24670 | 2019-11-13 16:02:05 |
| R3.htm | 24829 | 2019-11-13 16:02:05 |
| R30.htm | 20992 | 2019-11-13 16:02:05 |
| R31.htm | 9402 | 2019-11-13 16:02:05 |
| R32.htm | 14443 | 2019-11-13 16:02:05 |
| R33.htm | 41159 | 2019-11-13 16:02:05 |
| R34.htm | 46953 | 2019-11-13 16:02:05 |
| R35.htm | 46812 | 2019-11-13 16:02:05 |
| R36.htm | 73750 | 2019-11-13 16:02:05 |
| R37.htm | 36263 | 2019-11-13 16:02:05 |
| R38.htm | 66919 | 2019-11-13 16:02:05 |
| R39.htm | 16761 | 2019-11-13 16:02:05 |
| R4.htm | 81887 | 2019-11-13 16:02:05 |
| R40.htm | 43678 | 2019-11-13 16:02:05 |
| R41.htm | 47807 | 2019-11-13 16:02:05 |
| R42.htm | 63660 | 2019-11-13 16:02:05 |
| R43.htm | 29287 | 2019-11-13 16:02:05 |
| R44.htm | 14870 | 2019-11-13 16:02:05 |
| R45.htm | 59032 | 2019-11-13 16:02:05 |
| R46.htm | 5469 | 2019-11-13 16:02:05 |
| R47.htm | 22301 | 2019-11-13 16:02:05 |
| R48.htm | 32275 | 2019-11-13 16:02:05 |
| R49.htm | 17419 | 2019-11-13 16:02:05 |
| R5.htm | 18525 | 2019-11-13 16:02:05 |
| R50.htm | 16738 | 2019-11-13 16:02:05 |
| R51.htm | 57950 | 2019-11-13 16:02:05 |
| R52.htm | 19079 | 2019-11-13 16:02:05 |
| R53.htm | 35242 | 2019-11-13 16:02:05 |
| R54.htm | 20514 | 2019-11-13 16:02:05 |
| R55.htm | 41074 | 2019-11-13 16:02:05 |
| R56.htm | 14442 | 2019-11-13 16:02:05 |
| R57.htm | 7799 | 2019-11-13 16:02:05 |
| R6.htm | 27179 | 2019-11-13 16:02:05 |
| R7.htm | 91275 | 2019-11-13 16:02:05 |
| R8.htm | 14766 | 2019-11-13 16:02:05 |
| R9.htm | 8779 | 2019-11-13 16:02:05 |
| report.css | 2767 | 2019-11-13 16:02:05 |
| september30201910qex311.htm | 15198 | 2019-11-13 16:02:05 |
| september30201910qex312.htm | 15401 | 2019-11-13 16:02:05 |
| september30201910qex321.htm | 6817 | 2019-11-13 16:02:05 |
| september30201910qex322.htm | 6850 | 2019-11-13 16:02:05 |
| Show.js | 1085 | 2019-11-13 16:02:05 |