| Line | Roll Up Total Concept | Roll Up Items Concept | Count |
|---|---|---|---|
| 1 | geos:DeferredTaxAssetsLiabilitiesGross | us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment | 1 |
| 2 | geos:DeferredTaxAssetsLiabilitiesGross | us-gaap:DeferredTaxAssetsGross | 1 |
| 3 | geos:DeferredTaxAssetsLiabilitiesGross | geos:DeferredTaxLiabilitiesDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts | 1 |
(Note that this is a work in progress!)