XML 66 R56.htm IDEA: XBRL DOCUMENT
v3.22.2.2

FAIR VALUE MEASUREMENTS - Narrative (Details) $ in Thousands | 3 Months Ended |
--- | --- | ---
Sep. 30, 2022 USD ($) | Sep. 30, 2021 USD ($) | Dec. 31, 2021 USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Fair Value | $ 81,384 |  | $ 361,778
Embedded derivative, gain (loss) on embedded derivative, net | (1,200) | $ (37,000) |
Series A Warrant Liabilities |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Fair value adjustment of warrants | (3,400) | (3,400) |
Series A Embedded Derivative Liabilities |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Fair value adjustment of warrants |  | 63 |
Series B Warrant Liabilities |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Fair value adjustment of warrants | 220 | $ (902) |
Arix |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Fair Value | $ 33,800 |  |
Equity Securities | Discount rate | Monte Carlo Method |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Debt instrument, measurement input | 0.03 |  |
Equity Securities | Expected term | Monte Carlo Method |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Debt instrument, measurement input | 3 |  |
Equity Securities | Price volatility | Monte Carlo Method |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Debt instrument, measurement input | 0.45 |  |
Series A warrants | Expected term | Black Scholes Model |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Debt instrument, measurement input | 5.13 |  | 5.79
Series A warrants | Price volatility | Black Scholes Model |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Debt instrument, measurement input | 0.42 |  | 0.30
Series A warrants | Risk free interest rate | Black Scholes Model |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Debt instrument, measurement input | 0.0405 |  | 0.0133
Series B warrants | Expected term | Scenario 1 | Monte Carlo Method |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Debt instrument, measurement input | 5.13 |  | 5.88
Series B warrants | Expected term | Scenario 2 | Monte Carlo Method |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Debt instrument, measurement input | 0.08 |  | 0.65
Series B warrants | Price volatility | Scenario 1 | Monte Carlo Method |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Debt instrument, measurement input | 0.42 |  | 0.30
Series B warrants | Price volatility | Scenario 2 | Monte Carlo Method |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Debt instrument, measurement input | 0.50 |  | 0.25
Series B warrants | Risk free interest rate | Scenario 1 | Monte Carlo Method |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Debt instrument, measurement input | 0.0405 |  | 0.0134
Series B warrants | Risk free interest rate | Scenario 2 | Monte Carlo Method |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Debt instrument, measurement input | 0.0279 |  | 0.0025
Embedded Derivative | Discount rate | Scenario 2 | Monte Carlo Method |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Debt instrument, measurement input | 0.173 |  |
Embedded Derivative | Expected term | Scenario 2 | Monte Carlo Method |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Debt instrument, measurement input | 5.13 |  | 5.87
Embedded Derivative | Price volatility | Scenario 2 | Monte Carlo Method |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Debt instrument, measurement input | 0.42 |  | 0.30
Embedded Derivative | Risk free interest rate | Scenario 2 | Monte Carlo Method |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Debt instrument, measurement input | 0.041 |  | 0.013
Embedded Derivative | Expected dividend rate | Scenario 2 | Monte Carlo Method |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Debt instrument, measurement input | 0 |  | 0
Embedded Derivative | Credit spread | Scenario 2 | Monte Carlo Method |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Debt instrument, measurement input |  |  | 0.096

X
- Definition Value of input used to measure debt instrument, including, but not limited to, convertible and non-convertible debt. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
Name: | us-gaap_DebtInstrumentMeasurementInput
Namespace Prefix: | us-gaap_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Definition Net Increase or Decrease in the fair value of the embedded derivative or group of embedded derivatives included in earnings in the period. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 15 -URI http://asc.fasb.org/subtopic&trid=2229187 + Details
Name: | us-gaap_EmbeddedDerivativeGainLossOnEmbeddedDerivativeNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Fair value portion of investments accounted under the equity method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 25 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=125513658&loc=d3e32014-111567 + Details
Name: | us-gaap_EquityMethodInvestmentsFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of expense (income) related to adjustment to fair value of warrant liability. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 480 -SubTopic 10 -Section 25 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=109262497&loc=d3e20148-110875 + Details
Name: | us-gaap_FairValueAdjustmentOfWarrants
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=actg_SeriesAWarrantLiabilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=actg_SeriesAEmbeddedDerivativeLiabilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=actg_SeriesBWarrantsLiabilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_OwnershipAxis=actg_ArixBiosciencePLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_EquitySecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputDiscountRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ValuationTechniqueAxis=actg_MonteCarloMethodMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputExpectedTermMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputPriceVolatilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=actg_SeriesAWarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ValuationTechniqueAxis=actg_BlackScholesModelMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputRiskFreeInterestRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=actg_SeriesBWarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_NonmonetaryTransactionTypeAxis=actg_Scenario1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_NonmonetaryTransactionTypeAxis=actg_Scenario2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=actg_EmbeddedDerivativeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputExpectedDividendRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputCreditSpreadMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |