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| 0001564590-19-018873-index.html | 2019-05-13 16:53:19 | |
| 0001564590-19-018873.txt | 2019-05-13 16:53:19 | |
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| astc-10q_20190331.htm | 1678158 | 2019-05-13 16:53:19 |
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| Financial_Report.xlsx | 52378 | 2019-05-13 16:53:19 |
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| report.css | 2767 | 2019-05-13 16:53:19 |
| Show.js | 1085 | 2019-05-13 16:53:19 |