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v2.4.0.8

Summary of Significant Accounting Policies (Details) | 12 Months Ended
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Dec. 31, 2013
Lag time in recognizing revenues from licensee's quarter | 3 months
Minimum [Member] |
Period after quarter end licensees report activity | 30 days
Patents, useful life | 1 year
Maximum [Member] |
Period after quarter end licensees report activity | 45 days
Patents, useful life | 10 years

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- Definition Lag time in recognizing revenues from licensees' quarter + References No definition available. + Details
Name: | actg_LagTimeInRecognizingRevenuesFromLicenseesQuarter
Namespace Prefix: | actg_
Data Type: | us-types:durationStringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Period after quarter end licensees report activity + References No definition available. + Details
Name: | actg_PeriodAfterQuarterEndLicenseesReportActivity
Namespace Prefix: | actg_
Data Type: | us-types:durationStringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | us-gaap_FiniteLivedIntangibleAssetUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration