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v2.4.1.9

Income Taxes Deferred Taxes (Details) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2014 | Dec. 31, 2013
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Deferred tax assets: |  |
Net operating loss and capital loss carryforwards and credits | $ 59,427 actg_DeferredTaxAssetOperatingAndCapitalLossCarryforwardsAndCredits | $ 34,679 actg_DeferredTaxAssetOperatingAndCapitalLossCarryforwardsAndCredits
Stock compensation | 1,800 us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost | 3,052 us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost
Basis of investments in affiliates | 1,437 us-gaap_DeferredTaxAssetsInvestmentInSubsidiaries | 867 us-gaap_DeferredTaxAssetsInvestmentInSubsidiaries
Accrued liabilities and other | 409 us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities | 387 us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities
Unrealized loss on short-term investments | 92 us-gaap_DeferredTaxAssetsOtherComprehensiveLoss | 337 us-gaap_DeferredTaxAssetsOtherComprehensiveLoss
State taxes | 26 us-gaap_DeferredTaxAssetsStateTaxes | 18 us-gaap_DeferredTaxAssetsStateTaxes
Total deferred tax assets | 63,191 us-gaap_DeferredTaxAssetsGross | 39,340 us-gaap_DeferredTaxAssetsGross
Deferred tax liabilities: |  |
Fixed assets and intangibles | (27,157)actg_DeferredTaxLiabilitiesFixedAssetsAndIntangibles | (33,378)actg_DeferredTaxLiabilitiesFixedAssetsAndIntangibles
Other | (107)us-gaap_DeferredTaxLiabilitiesOther | (112)us-gaap_DeferredTaxLiabilitiesOther
Deferred Tax Liabilities, Gross | (27,264)us-gaap_DeferredIncomeTaxLiabilities | (33,490)us-gaap_DeferredIncomeTaxLiabilities
Net deferred tax liabilities | 0 actg_DeferredTaxLiabilitiesNetOfDeferredTaxAssets | (1,735)actg_DeferredTaxLiabilitiesNetOfDeferredTaxAssets
Less: valuation allowance | (35,927)us-gaap_DeferredTaxAssetsValuationAllowance | (7,585)us-gaap_DeferredTaxAssetsValuationAllowance
Net deferred taxes | $ 27,264 us-gaap_DeferredTaxAssetsNet | $ 31,755 us-gaap_DeferredTaxAssetsNet

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