Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000034067-20-000116-index-headers.html | 2020-07-23 16:17:08 | |
| 0000034067-20-000116-index.html | 2020-07-23 16:17:08 | |
| 0000034067-20-000116.txt | 2020-07-23 16:17:08 | |
 0000034067-20-000116-xbrl.zip | 46687 | 2020-07-23 16:17:08 |
| boom-20200723.htm | 44348 | 2020-07-23 16:17:08 |
| boom-20200723.xsd | 2435 | 2020-07-23 16:17:08 |
| boom-20200723_cal.xml | 718 | 2020-07-23 16:17:08 |
| boom-20200723_def.xml | 1651 | 2020-07-23 16:17:08 |
| boom-20200723_htm.xml | 10990 | 2020-07-23 16:17:08 |
| boom-20200723_lab.xml | 24993 | 2020-07-23 16:17:08 |
| boom-20200723_pre.xml | 13198 | 2020-07-23 16:17:08 |
| boom-exx9912020q2.htm | 1067437 | 2020-07-23 16:17:08 |
| FilingSummary.xml | 1720 | 2020-07-23 16:17:08 |
| Financial_Report.xlsx | 5442 | 2020-07-23 16:17:08 |
 letterheadpage2v2a0911.jpg | 2946 | 2020-07-23 16:17:08 |
| MetaLinks.json | 17855 | 2020-07-23 16:17:08 |
| R1.htm | 40133 | 2020-07-23 16:17:08 |
| report.css | 2767 | 2020-07-23 16:17:08 |
| Show.js | 1085 | 2020-07-23 16:17:08 |