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| 0001564590-19-003876-index.html | 2019-02-22 14:45:30 | |
| 0001564590-19-003876.txt | 2019-02-22 14:45:30 | |
 0001564590-19-003876-xbrl.zip | 194193 | 2019-02-22 14:45:30 |
| dmrc-10k_20181231.htm | 3620125 | 2019-02-22 14:45:30 |
| dmrc-20181231.xml | 3547090 | 2019-02-22 14:45:30 |
| dmrc-20181231.xsd | 68027 | 2019-02-22 14:45:30 |
| dmrc-20181231_cal.xml | 74350 | 2019-02-22 14:45:30 |
| dmrc-20181231_def.xml | 216081 | 2019-02-22 14:45:30 |
| dmrc-20181231_lab.xml | 533480 | 2019-02-22 14:45:30 |
| dmrc-20181231_pre.xml | 443821 | 2019-02-22 14:45:30 |
| dmrc-ex1018_657.htm | 13305 | 2019-02-22 14:45:30 |
| dmrc-ex106_658.htm | 119782 | 2019-02-22 14:45:30 |
| dmrc-ex211_8.htm | 7713 | 2019-02-22 14:45:30 |
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| FilingSummary.xml | 51794 | 2019-02-22 14:45:30 |
| Financial_Report.xlsx | 93608 | 2019-02-22 14:45:30 |
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| report.css | 2767 | 2019-02-22 14:45:30 |
| Show.js | 1085 | 2019-02-22 14:45:30 |