| Line | Roll Up Total Concept | Roll Up Items Concept | Count |
|---|---|---|---|
| 1 | opxs:AssetsNoncurrentExcludingPropertyPlantAndEquipment | us-gaap:DepositsAssetsNoncurrent | 1 |
| 2 | opxs:AssetsNoncurrentExcludingPropertyPlantAndEquipment | opxs:PrepaidRoyaltiesNoncurrent | 1 |
(Note that this is a work in progress!)