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| 0001564590-16-017967-index.html | 2016-05-05 16:06:12 | |
| 0001564590-16-017967.txt | 2016-05-05 16:06:12 | |
 0001564590-16-017967-xbrl.zip | 67883 | 2016-05-05 16:06:12 |
| cnat-10q_20160331.htm | 725987 | 2016-05-05 16:06:12 |
| cnat-20160331.xml | 624526 | 2016-05-05 16:06:12 |
| cnat-20160331.xsd | 23811 | 2016-05-05 16:06:12 |
| cnat-20160331_cal.xml | 30719 | 2016-05-05 16:06:12 |
| cnat-20160331_def.xml | 68779 | 2016-05-05 16:06:12 |
| cnat-20160331_lab.xml | 216752 | 2016-05-05 16:06:12 |
| cnat-20160331_pre.xml | 158215 | 2016-05-05 16:06:12 |
| cnat-ex101_92.htm | 19022 | 2016-05-05 16:06:12 |
| cnat-ex102_93.htm | 122512 | 2016-05-05 16:06:12 |
| cnat-ex311_7.htm | 10753 | 2016-05-05 16:06:12 |
| cnat-ex312_6.htm | 11930 | 2016-05-05 16:06:12 |
| cnat-ex321_8.htm | 6589 | 2016-05-05 16:06:12 |
| cnat-ex322_9.htm | 7456 | 2016-05-05 16:06:12 |
| FilingSummary.xml | 19644 | 2016-05-05 16:06:12 |
| Financial_Report.xlsx | 36452 | 2016-05-05 16:06:12 |
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| R9.htm | 55199 | 2016-05-05 16:06:12 |
| report.css | 2767 | 2016-05-05 16:06:12 |
| Show.js | 1410 | 2016-05-05 16:06:12 |