| Line | Roll Up Total Concept | Roll Up Items Concept | Count |
|---|---|---|---|
| 1 | ftek:NetDeferredTaxAssetBeforeValuationAllowance | us-gaap:DeferredIncomeTaxLiabilities | 1 |
| 2 | ftek:NetDeferredTaxAssetBeforeValuationAllowance | us-gaap:DeferredTaxAssetsGross | 1 |
(Note that this is a work in progress!)