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| 0001564590-19-019139-index.html | 2019-05-14 16:11:37 | |
| 0001564590-19-019139.txt | 2019-05-14 16:11:37 | |
 0001564590-19-019139-xbrl.zip | 92788 | 2019-05-14 16:11:37 |
| alt-10q_20190331.htm | 1208872 | 2019-05-14 16:11:37 |
| alt-20190331.xml | 818808 | 2019-05-14 16:11:37 |
| alt-20190331.xsd | 43698 | 2019-05-14 16:11:37 |
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| alt-20190331_def.xml | 139720 | 2019-05-14 16:11:37 |
| alt-20190331_lab.xml | 350117 | 2019-05-14 16:11:37 |
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| alt-ex322_7.htm | 6161 | 2019-05-14 16:11:37 |
| FilingSummary.xml | 30353 | 2019-05-14 16:11:37 |
| Financial_Report.xlsx | 48873 | 2019-05-14 16:11:37 |
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| report.css | 2767 | 2019-05-14 16:11:37 |
| Show.js | 1085 | 2019-05-14 16:11:37 |