Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001171843-20-003845-index-headers.html | 2020-05-19 18:20:01 | |
| 0001171843-20-003845-index.html | 2020-05-19 18:20:01 | |
| 0001171843-20-003845.txt | 2020-05-19 18:20:01 | |
 0001171843-20-003845-xbrl.zip | 48441 | 2020-05-19 18:20:01 |
| ddd-20200514.xsd | 3186 | 2020-05-19 18:20:01 |
| ddd-20200514_lab.xml | 34591 | 2020-05-19 18:20:01 |
| ddd-20200514_pre.xml | 22711 | 2020-05-19 18:20:01 |
| exh_101.htm | 57047 | 2020-05-19 18:20:01 |
| exh_41.htm | 139050 | 2020-05-19 18:20:01 |
| f8k_051920.htm | 42438 | 2020-05-19 18:20:01 |
| f8k_051920_htm.xml | 3502 | 2020-05-19 18:20:01 |
| FilingSummary.xml | 1643 | 2020-05-19 18:20:01 |
| Financial_Report.xlsx | 5784 | 2020-05-19 18:20:01 |
| MetaLinks.json | 38724 | 2020-05-19 18:20:01 |
| R1.htm | 38611 | 2020-05-19 18:20:01 |
| report.css | 2766 | 2020-05-19 18:20:01 |
| Show.js | 1085 | 2020-05-19 18:20:01 |