Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000034067-21-000008-index-headers.html | 2021-02-18 16:18:15 | |
| 0000034067-21-000008-index.html | 2021-02-18 16:18:15 | |
| 0000034067-21-000008.txt | 2021-02-18 16:18:15 | |
 0000034067-21-000008-xbrl.zip | 43532 | 2021-02-18 16:18:15 |
| boom-20210218.htm | 36016 | 2021-02-18 16:18:15 |
| boom-20210218.xsd | 2435 | 2021-02-18 16:18:15 |
| boom-20210218_cal.xml | 718 | 2021-02-18 16:18:15 |
| boom-20210218_def.xml | 1651 | 2021-02-18 16:18:15 |
| boom-20210218_htm.xml | 11009 | 2021-02-18 16:18:15 |
| boom-20210218_lab.xml | 24993 | 2021-02-18 16:18:15 |
| boom-20210218_pre.xml | 13198 | 2021-02-18 16:18:15 |
| boom-exx991_2020q4.htm | 770100 | 2021-02-18 16:18:15 |
| FilingSummary.xml | 1721 | 2021-02-18 16:18:15 |
| Financial_Report.xlsx | 5440 | 2021-02-18 16:18:15 |
 letterheadpage2v2a061.jpg | 2946 | 2021-02-18 16:18:15 |
| MetaLinks.json | 17855 | 2021-02-18 16:18:15 |
| R1.htm | 40133 | 2021-02-18 16:18:15 |
| report.css | 2767 | 2021-02-18 16:18:15 |
| Show.js | 1085 | 2021-02-18 16:18:15 |