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| 0001564590-21-027846-index.html | 2021-05-14 10:56:52 | |
| 0001564590-21-027846.txt | 2021-05-14 10:56:52 | |
 0001564590-21-027846-xbrl.zip | 132871 | 2021-05-14 10:56:52 |
| astc-10q_20210331.htm | 1869950 | 2021-05-14 10:56:52 |
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| Financial_Report.xlsx | 75741 | 2021-05-14 10:56:52 |
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| report.css | 2767 | 2021-05-14 10:56:52 |
| Show.js | 1085 | 2021-05-14 10:56:52 |