Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001558370-21-008330-index-headers.html | 2021-06-16 06:54:11 | |
| 0001558370-21-008330-index.html | 2021-06-16 06:54:11 | |
| 0001558370-21-008330.txt | 2021-06-16 06:54:11 | |
 0001558370-21-008330-xbrl.zip | 126113 | 2021-06-16 06:54:11 |
| cntg-20210331.xml | 1630735 | 2021-06-16 06:54:11 |
| cntg-20210331.xsd | 57599 | 2021-06-16 06:54:11 |
| cntg-20210331ex9914cc3db.htm | 30054 | 2021-06-16 06:54:11 |
| cntg-20210331ex992750d29.htm | 786605 | 2021-06-16 06:54:11 |
| cntg-20210331ex993be6685.htm | 239225 | 2021-06-16 06:54:11 |
 cntg-20210331ex993be6685001.jpg | 18505 | 2021-06-16 06:54:11 |
 cntg-20210331ex993be6685002.jpg | 23910 | 2021-06-16 06:54:11 |
 cntg-20210331ex993be6685003.jpg | 17857 | 2021-06-16 06:54:11 |
 cntg-20210331ex993be6685004.jpg | 16495 | 2021-06-16 06:54:11 |
| cntg-20210331x6k.htm | 24206 | 2021-06-16 06:54:11 |
| cntg-20210331_cal.xml | 59582 | 2021-06-16 06:54:11 |
| cntg-20210331_def.xml | 198722 | 2021-06-16 06:54:11 |
| cntg-20210331_lab.xml | 431715 | 2021-06-16 06:54:11 |
| cntg-20210331_pre.xml | 330499 | 2021-06-16 06:54:11 |
| FilingSummary.xml | 28716 | 2021-06-16 06:54:11 |
| Financial_Report.xlsx | 65576 | 2021-06-16 06:54:11 |
| R1.htm | 15766 | 2021-06-16 06:54:11 |
| R10.htm | 150562 | 2021-06-16 06:54:11 |
| R11.htm | 35448 | 2021-06-16 06:54:11 |
| R12.htm | 73129 | 2021-06-16 06:54:11 |
| R13.htm | 5447 | 2021-06-16 06:54:11 |
| R14.htm | 6562 | 2021-06-16 06:54:11 |
| R15.htm | 132299 | 2021-06-16 06:54:11 |
| R16.htm | 70416 | 2021-06-16 06:54:11 |
| R17.htm | 6730 | 2021-06-16 06:54:11 |
| R18.htm | 11412 | 2021-06-16 06:54:11 |
| R19.htm | 7836 | 2021-06-16 06:54:11 |
| R2.htm | 55122 | 2021-06-16 06:54:11 |
| R20.htm | 153624 | 2021-06-16 06:54:11 |
| R21.htm | 146191 | 2021-06-16 06:54:11 |
| R22.htm | 35598 | 2021-06-16 06:54:11 |
| R23.htm | 73019 | 2021-06-16 06:54:11 |
| R24.htm | 131082 | 2021-06-16 06:54:11 |
| R25.htm | 113487 | 2021-06-16 06:54:11 |
| R26.htm | 15636 | 2021-06-16 06:54:11 |
| R27.htm | 66022 | 2021-06-16 06:54:11 |
| R28.htm | 22377 | 2021-06-16 06:54:11 |
| R29.htm | 36990 | 2021-06-16 06:54:11 |
| R3.htm | 73705 | 2021-06-16 06:54:11 |
| R30.htm | 36954 | 2021-06-16 06:54:11 |
| R31.htm | 9494 | 2021-06-16 06:54:11 |
| R32.htm | 8950 | 2021-06-16 06:54:11 |
| R33.htm | 9053 | 2021-06-16 06:54:11 |
| R34.htm | 18155 | 2021-06-16 06:54:11 |
| R35.htm | 75075 | 2021-06-16 06:54:11 |
| R36.htm | 14346 | 2021-06-16 06:54:11 |
| R37.htm | 9435 | 2021-06-16 06:54:11 |
| R38.htm | 4234 | 2021-06-16 06:54:11 |
| R39.htm | 22000 | 2021-06-16 06:54:11 |
| R4.htm | 58655 | 2021-06-16 06:54:11 |
| R40.htm | 44830 | 2021-06-16 06:54:11 |
| R41.htm | 31369 | 2021-06-16 06:54:11 |
| R42.htm | 12137 | 2021-06-16 06:54:11 |
| R43.htm | 47984 | 2021-06-16 06:54:11 |
| R44.htm | 50235 | 2021-06-16 06:54:11 |
| R45.htm | 16304 | 2021-06-16 06:54:11 |
| R46.htm | 10257 | 2021-06-16 06:54:11 |
| R47.htm | 26404 | 2021-06-16 06:54:11 |
| R5.htm | 28125 | 2021-06-16 06:54:11 |
| R6.htm | 6437 | 2021-06-16 06:54:11 |
| R7.htm | 6866 | 2021-06-16 06:54:11 |
| R8.htm | 7051 | 2021-06-16 06:54:11 |
| R9.htm | 157442 | 2021-06-16 06:54:11 |
| report.css | 2767 | 2021-06-16 06:54:11 |
| Show.js | 1085 | 2021-06-16 06:54:11 |