Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001171843-21-002461-index-headers.html | 2021-04-13 19:10:01 | |
| 0001171843-21-002461-index.html | 2021-04-13 19:10:01 | |
| 0001171843-21-002461.txt | 2021-04-13 19:10:01 | |
 0001171843-21-002461-xbrl.zip | 10332 | 2021-04-13 19:10:01 |
| ddd-20210408.xsd | 3035 | 2021-04-13 19:10:01 |
| ddd-20210408_lab.xml | 34238 | 2021-04-13 19:10:01 |
| ddd-20210408_pre.xml | 22366 | 2021-04-13 19:10:01 |
| f8k_041321.htm | 21967 | 2021-04-13 19:10:01 |
| f8k_041321_htm.xml | 3500 | 2021-04-13 19:10:01 |
| FilingSummary.xml | 1584 | 2021-04-13 19:10:01 |
| Financial_Report.xlsx | 5678 | 2021-04-13 19:10:01 |
| MetaLinks.json | 38159 | 2021-04-13 19:10:01 |
| R1.htm | 38583 | 2021-04-13 19:10:01 |
| report.css | 2766 | 2021-04-13 19:10:01 |
| Show.js | 1084 | 2021-04-13 19:10:01 |