Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001628280-20-013141-index-headers.html | 2020-08-31 16:14:16 | |
| 0001628280-20-013141-index.html | 2020-08-31 16:14:16 | |
| 0001628280-20-013141.txt | 2020-08-31 16:14:16 | |
 0001628280-20-013141-xbrl.zip | 16072 | 2020-08-31 16:14:16 |
| a8312020pressrelease.htm | 13017 | 2020-08-31 16:14:16 |
| art-20200831.htm | 50231 | 2020-08-31 16:14:16 |
| art-20200831.xsd | 2459 | 2020-08-31 16:14:16 |
| art-20200831_cal.xml | 747 | 2020-08-31 16:14:16 |
| art-20200831_def.xml | 1692 | 2020-08-31 16:14:16 |
| art-20200831_htm.xml | 11513 | 2020-08-31 16:14:16 |
| art-20200831_lab.xml | 25298 | 2020-08-31 16:14:16 |
| art-20200831_pre.xml | 13227 | 2020-08-31 16:14:16 |
| FilingSummary.xml | 1752 | 2020-08-31 16:14:16 |
| Financial_Report.xlsx | 5495 | 2020-08-31 16:14:16 |
 image01.jpg | 15373 | 2020-08-31 16:14:16 |
| MetaLinks.json | 18128 | 2020-08-31 16:14:16 |
| R1.htm | 40201 | 2020-08-31 16:14:16 |
| report.css | 2767 | 2020-08-31 16:14:16 |
| Show.js | 1085 | 2020-08-31 16:14:16 |