| Line | Roll Up Total Concept | Roll Up Items Concept | Count |
|---|---|---|---|
| 1 | dmrc:UndistributedEarningsLossAllocatedToCommonShareholders | us-gaap:NetIncomeLoss | 1 |
| 2 | dmrc:UndistributedEarningsLossAllocatedToCommonShareholders | us-gaap:DistributedEarnings | 1 |
(Note that this is a work in progress!)