Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001171843-20-007936-index-headers.html | 2020-11-12 16:15:15 | |
| 0001171843-20-007936-index.html | 2020-11-12 16:15:15 | |
| 0001171843-20-007936.txt | 2020-11-12 16:15:15 | |
 0001171843-20-007936-xbrl.zip | 11167 | 2020-11-12 16:15:15 |
| ddd-20201107.xsd | 3198 | 2020-11-12 16:15:15 |
| ddd-20201107_lab.xml | 34591 | 2020-11-12 16:15:15 |
| ddd-20201107_pre.xml | 22719 | 2020-11-12 16:15:15 |
| f8k_111220.htm | 24596 | 2020-11-12 16:15:15 |
| f8k_111220_htm.xml | 3498 | 2020-11-12 16:15:15 |
| FilingSummary.xml | 1590 | 2020-11-12 16:15:15 |
| Financial_Report.xlsx | 5452 | 2020-11-12 16:15:15 |
| MetaLinks.json | 38922 | 2020-11-12 16:15:15 |
| R1.htm | 38614 | 2020-11-12 16:15:15 |
| report.css | 2766 | 2020-11-12 16:15:15 |
| Show.js | 1084 | 2020-11-12 16:15:15 |