Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001171843-21-003619-index-headers.html | 2021-05-18 18:09:10 | |
| 0001171843-21-003619-index.html | 2021-05-18 18:09:10 | |
| 0001171843-21-003619.txt | 2021-05-18 18:09:10 | |
 0001171843-21-003619-xbrl.zip | 11000 | 2021-05-18 18:09:10 |
| ddd-20210518.xsd | 2757 | 2021-05-18 18:09:10 |
| ddd-20210518_lab.xml | 34592 | 2021-05-18 18:09:10 |
| ddd-20210518_pre.xml | 22712 | 2021-05-18 18:09:10 |
| f8k_051821.htm | 24299 | 2021-05-18 18:09:10 |
| f8k_051821_htm.xml | 3498 | 2021-05-18 18:09:10 |
| FilingSummary.xml | 1586 | 2021-05-18 18:09:10 |
| Financial_Report.xlsx | 5673 | 2021-05-18 18:09:10 |
| MetaLinks.json | 38082 | 2021-05-18 18:09:10 |
| R1.htm | 38611 | 2021-05-18 18:09:10 |
| report.css | 2766 | 2021-05-18 18:09:10 |
| Show.js | 1084 | 2021-05-18 18:09:10 |