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| 0000034067-20-000118-index.html | 2020-07-23 16:37:28 | |
| 0000034067-20-000118.txt | 2020-07-23 16:37:28 | |
 0000034067-20-000118-xbrl.zip | 267452 | 2020-07-23 16:37:28 |
| boom-20200630.htm | 2401287 | 2020-07-23 16:37:28 |
| boom-20200630.xsd | 30278 | 2020-07-23 16:37:28 |
| boom-20200630_cal.xml | 79832 | 2020-07-23 16:37:28 |
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| boom-20200630_lab.xml | 471679 | 2020-07-23 16:37:28 |
| boom-20200630_pre.xml | 305531 | 2020-07-23 16:37:28 |
| boom-exx311q2x06302020.htm | 17773 | 2020-07-23 16:37:28 |
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| boom-exx321q2x06302020.htm | 9427 | 2020-07-23 16:37:28 |
| boom-exx322q2x06302020.htm | 9255 | 2020-07-23 16:37:28 |
| ex101-firstamendmentag.htm | 109096 | 2020-07-23 16:37:28 |
| FilingSummary.xml | 27695 | 2020-07-23 16:37:28 |
| Financial_Report.xlsx | 75503 | 2020-07-23 16:37:28 |
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| report.css | 2767 | 2020-07-23 16:37:28 |
| Show.js | 1085 | 2020-07-23 16:37:28 |