Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001654954-20-005941-index-headers.html | 2020-05-22 19:51:12 | |
| 0001654954-20-005941-index.html | 2020-05-22 19:51:12 | |
| 0001654954-20-005941.txt | 2020-05-22 19:51:12 | |
 0001654954-20-005941-xbrl.zip | 20740 | 2020-05-22 19:51:12 |
| atri-20191231.htm | 180289 | 2020-05-22 19:51:12 |
| atri-20191231.xsd | 4680 | 2020-05-22 19:51:12 |
| atri-20191231_cal.xml | 647 | 2020-05-22 19:51:12 |
| atri-20191231_def.xml | 1731 | 2020-05-22 19:51:12 |
| atri-20191231_htm.xml | 7189 | 2020-05-22 19:51:12 |
| atri-20191231_lab.xml | 35019 | 2020-05-22 19:51:12 |
| atri-20191231_pre.xml | 14486 | 2020-05-22 19:51:12 |
| exhibit_31-3.htm | 4733 | 2020-05-22 19:51:12 |
| exhibit_31-4.htm | 4761 | 2020-05-22 19:51:12 |
| FilingSummary.xml | 1749 | 2020-05-22 19:51:12 |
| Financial_Report.xlsx | 6611 | 2020-05-22 19:51:12 |
| MetaLinks.json | 25471 | 2020-05-22 19:51:12 |
| R1.htm | 61229 | 2020-05-22 19:51:12 |
| report.css | 2767 | 2020-05-22 19:51:12 |
| Show.js | 1085 | 2020-05-22 19:51:12 |