Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001171843-20-002422-index-headers.html | 2020-04-06 18:23:28 | |
| 0001171843-20-002422-index.html | 2020-04-06 18:23:28 | |
| 0001171843-20-002422.txt | 2020-04-06 18:23:28 | |
 0001171843-20-002422-xbrl.zip | 10439 | 2020-04-06 18:23:28 |
| ddd-20200401.xsd | 3156 | 2020-04-06 18:23:28 |
| ddd-20200401_def.xml | 25969 | 2020-04-06 18:23:28 |
| ddd-20200401_lab.xml | 34591 | 2020-04-06 18:23:28 |
| ddd-20200401_pre.xml | 22691 | 2020-04-06 18:23:28 |
| f8k_040620.htm | 21482 | 2020-04-06 18:23:28 |
| f8k_040620_htm.xml | 3497 | 2020-04-06 18:23:28 |
| FilingSummary.xml | 1576 | 2020-04-06 18:23:28 |
| Financial_Report.xlsx | 5781 | 2020-04-06 18:23:28 |
| MetaLinks.json | 38124 | 2020-04-06 18:23:28 |
| R1.htm | 38608 | 2020-04-06 18:23:28 |
| report.css | 2766 | 2020-04-06 18:23:28 |
| Show.js | 1085 | 2020-04-06 18:23:28 |