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| 0001564590-19-040404-index.html | 2019-11-05 16:21:49 | |
| 0001564590-19-040404.txt | 2019-11-05 16:21:49 | |
 0001564590-19-040404-xbrl.zip | 107056 | 2019-11-05 16:21:49 |
| cnat-10q_20190930.htm | 1371913 | 2019-11-05 16:21:49 |
| cnat-20190930.xml | 1057646 | 2019-11-05 16:21:49 |
| cnat-20190930.xsd | 41272 | 2019-11-05 16:21:49 |
| cnat-20190930_cal.xml | 43406 | 2019-11-05 16:21:49 |
| cnat-20190930_def.xml | 134503 | 2019-11-05 16:21:49 |
| cnat-20190930_lab.xml | 352759 | 2019-11-05 16:21:49 |
| cnat-20190930_pre.xml | 269454 | 2019-11-05 16:21:49 |
| cnat-ex103_174.htm | 26223 | 2019-11-05 16:21:49 |
| cnat-ex104_169.htm | 25853 | 2019-11-05 16:21:49 |
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| cnat-ex321_9.htm | 6844 | 2019-11-05 16:21:49 |
| cnat-ex322_8.htm | 6930 | 2019-11-05 16:21:49 |
| FilingSummary.xml | 28501 | 2019-11-05 16:21:49 |
| Financial_Report.xlsx | 58879 | 2019-11-05 16:21:49 |
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| report.css | 2767 | 2019-11-05 16:21:49 |
| Show.js | 1085 | 2019-11-05 16:21:49 |