Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001171843-20-003730-index-headers.html | 2020-05-14 17:06:37 | |
| 0001171843-20-003730-index.html | 2020-05-14 17:06:37 | |
| 0001171843-20-003730.txt | 2020-05-14 17:06:37 | |
 0001171843-20-003730-xbrl.zip | 43175 | 2020-05-14 17:06:37 |
| ddd-20200401_def.xml | 25969 | 2020-05-14 17:06:37 |
| ddd-20200511.xsd | 3198 | 2020-05-14 17:06:37 |
| ddd-20200511_lab.xml | 34591 | 2020-05-14 17:06:37 |
| ddd-20200511_pre.xml | 22719 | 2020-05-14 17:06:37 |
| exh_101.htm | 151626 | 2020-05-14 17:06:37 |
| exh_991.htm | 9164 | 2020-05-14 17:06:37 |
| f8k_051420.htm | 36169 | 2020-05-14 17:06:37 |
| f8k_051420_htm.xml | 3697 | 2020-05-14 17:06:37 |
| FilingSummary.xml | 1648 | 2020-05-14 17:06:37 |
| Financial_Report.xlsx | 5781 | 2020-05-14 17:06:37 |
| MetaLinks.json | 38964 | 2020-05-14 17:06:37 |
| R1.htm | 38607 | 2020-05-14 17:06:37 |
| report.css | 2766 | 2020-05-14 17:06:37 |
| Show.js | 1085 | 2020-05-14 17:06:37 |