Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000792987-22-000009-index-headers.html | 2022-02-28 07:01:50 | |
| 0000792987-22-000009-index.html | 2022-02-28 07:01:50 | |
| 0000792987-22-000009.txt | 2022-02-28 07:01:50 | |
 0000792987-22-000009-xbrl.zip | 47891 | 2022-02-28 07:01:50 |
| aste-20211231xexx991.htm | 493773 | 2022-02-28 07:01:50 |
| aste-20220228.htm | 29467 | 2022-02-28 07:01:50 |
| aste-20220228.xsd | 2008 | 2022-02-28 07:01:50 |
 aste-20220228_g1.jpg | 30882 | 2022-02-28 07:01:50 |
| aste-20220228_htm.xml | 10797 | 2022-02-28 07:01:50 |
| aste-20220228_lab.xml | 24137 | 2022-02-28 07:01:50 |
| aste-20220228_pre.xml | 12607 | 2022-02-28 07:01:50 |
 asteclogo3a.jpg | 43730 | 2022-02-28 07:01:50 |
| FilingSummary.xml | 1814 | 2022-02-28 07:01:50 |
| Financial_Report.xlsx | 5666 | 2022-02-28 07:01:50 |
| MetaLinks.json | 17370 | 2022-02-28 07:01:50 |
| R1.htm | 38579 | 2022-02-28 07:01:50 |
| report.css | 2767 | 2022-02-28 07:01:50 |
| Show.js | 1085 | 2022-02-28 07:01:50 |