Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001171843-20-004347-index-headers.html | 2020-06-12 16:15:29 | |
| 0001171843-20-004347-index.html | 2020-06-12 16:15:29 | |
| 0001171843-20-004347.txt | 2020-06-12 16:15:29 | |
 0001171843-20-004347-xbrl.zip | 10331 | 2020-06-12 16:15:29 |
| ddd-20200610.xsd | 3168 | 2020-06-12 16:15:29 |
| ddd-20200610_lab.xml | 34591 | 2020-06-12 16:15:29 |
| ddd-20200610_pre.xml | 22699 | 2020-06-12 16:15:29 |
| f8k_061220.htm | 21240 | 2020-06-12 16:15:29 |
| f8k_061220_htm.xml | 3498 | 2020-06-12 16:15:29 |
| FilingSummary.xml | 1580 | 2020-06-12 16:15:29 |
| Financial_Report.xlsx | 5781 | 2020-06-12 16:15:29 |
| MetaLinks.json | 38364 | 2020-06-12 16:15:29 |
| R1.htm | 38608 | 2020-06-12 16:15:29 |
| report.css | 2767 | 2020-06-12 16:15:29 |
| Show.js | 1085 | 2020-06-12 16:15:29 |