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Summary of Significant Accounting Policies | 12 Months Ended
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Dec. 31, 2017
Accounting Policies [Abstract] |
Summary of Significant Accounting Policies | SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Accounting Principles and Fiscal Year End. The consolidated financial statements and accompanying notes are prepared on the accrual basis of accounting in accordance with generally accepted accounting principles in the United States of America (U.S. GAAP). Principles of Consolidation. The accompanying consolidated financial statements include the accounts of Acacia and its wholly and majority-owned and controlled subsidiaries. Material intercompany transactions and balances have been eliminated in consolidation. Noncontrolling interests in Acacia’s majority-owned and controlled operating subsidiaries (“noncontrolling interests”) are separately presented as a component of stockholders’ equity. Consolidated net income or (loss) is adjusted to include the net (income) or loss attributed to noncontrolling interests in the consolidated statements of operations. Refer to the accompanying consolidated statements of stockholders’ equity for total noncontrolling interests. A wholly owned subsidiary of Acacia is the general partner of the Acacia Intellectual Property Fund, L.P. (the “Acacia IP Fund”), which was formed in August 2010. The Acacia IP Fund is included in the Company’s consolidated financial statements since 2010, as Acacia’s wholly owned subsidiary, as the general partner, has the ability to control the operations and activities of the Acacia IP Fund. Revenue Recognition. Revenue is recognized when (i) persuasive evidence of an arrangement exists, (ii) all obligations have been substantially performed pursuant to the terms of the arrangement, (iii) amounts are fixed or determinable, and (iv) the collectibility of amounts is reasonably assured. In general, revenue arrangements provide for the payment of contractually determined fees in consideration for the grant of certain intellectual property rights for patented technologies owned or controlled by Acacia’s operating subsidiaries. These rights typically include some combination of the following: (i) the grant of a non-exclusive, retroactive and future license to manufacture and/or sell products covered by patented technologies owned or controlled by Acacia’s operating subsidiaries, (ii) a covenant-not-to-sue, (iii) the release of the licensee from certain claims, and (iv) the dismissal of any pending litigation. The intellectual property rights granted may be perpetual in nature, extending until the expiration of the related patents, or can be granted for a defined, relatively short period of time, with the licensee possessing the right to renew the agreement at the end of each contractual term for an additional minimum upfront payment. Pursuant to the terms of these agreements, Acacia’s operating subsidiaries have no further obligation with respect to the grant of the non-exclusive retroactive and future licenses, covenants-not-to-sue, releases, and other deliverables, including no express or implied obligation on Acacia’s operating subsidiaries’ part to maintain or upgrade the technology, or provide future support or services. Generally, the agreements provide for the grant of the licenses, covenants-not-to-sue, releases, and other significant deliverables upon execution of the agreement, or upon receipt of the minimum upfront payment for term agreement renewals. As such, the earnings process is complete and revenue is recognized upon the execution of the agreement, when collectibility is reasonably assured, or upon receipt of the minimum upfront fee for term agreement renewals, and when all other revenue recognition criteria have been met. For the periods presented herein, the majority of the revenue agreements executed by the Company provided for the payment of one-time, paid-up license fees in consideration for the grant of certain intellectual property rights for patented technology owned by Acacia’s operating subsidiaries. These rights were primarily granted on a perpetual basis, extending until the expiration of the underlying patents. Certain of the Company’s revenue arrangements provide for future royalties or additional required payments based on future licensee activities. Additional royalties are recognized in revenue upon resolution of the related contingency provided that all revenue recognition criteria, as described above, have been met. Amounts of additional royalties due under these license agreements, if any, cannot be reasonably estimated by management. Certain of the Company’s revenue arrangements provide for the calculation of fees based on a licensee’s actual quarterly sales or actual per unit activity, applied to a contractual royalty rate. Licensees that pay fees on a quarterly basis generally report actual quarterly sales or actual per unit activity information and related quarterly fees due within 30 days to 45 days after the end of the quarter in which such sales or activity takes place. The amount of fees due under these revenue arrangements each quarter cannot be reasonably estimated by management. Consequently, Acacia’s operating subsidiaries recognize revenue from these revenue arrangements on a three-month lag basis, in the quarter following the quarter of sales or per unit activity, provided amounts are fixed or determinable and collectibility is reasonably assured. The lag method described above allows for the receipt of licensee royalty reports prior to the recognition of revenue. Amounts related to revenue arrangements that do not meet the revenue recognition criteria described above are deferred until the revenue recognition criteria are met. Acacia assesses the collectibility of fees receivable based on a number of factors, including past transaction history and credit-worthiness of licensees. If it is determined that collection is not reasonably assured, the fee is recognized when collectibility becomes reasonably assured, assuming all other revenue recognition criteria have been met, which is generally upon receipt of cash. Cost of Revenues. Cost of revenues include the costs and expenses incurred in connection with Acacia’s patent licensing and enforcement activities, including inventor royalties paid to original patent owners, contingent legal fees paid to external patent counsel, other patent-related legal expenses paid to external patent counsel, licensing and enforcement related research, consulting and other expenses paid to third-parties and the amortization of patent-related investment costs. These costs are included under the caption “Cost of revenues” in the accompanying consolidated statements of operations. Inventor Royalties and Contingent Legal Expenses. Inventor royalties are expensed in the consolidated statements of operations in the period that the related revenues are recognized. In certain instances, pursuant to the terms of the underlying inventor agreements, upfront advances paid to patent owners by Acacia’s operating subsidiaries are recoverable from future net revenues. Patent costs that are recoverable from future net revenues are amortized over the estimated economic useful life of the related patents, or as the prepaid royalties are earned by the inventor, as appropriate, and the related expense is included in amortization expense in the consolidated statements of operations. Any unamortized upfront advances recovered from net revenues are expensed in the period recovered, and included in amortization expense in the consolidated statements of operations. Contingent legal fees are expensed in the consolidated statements of operations in the period that the related revenues are recognized. In instances where there are no recoveries from potential infringers, no contingent legal fees are paid; however, Acacia’s operating subsidiaries may be liable for certain out of pocket legal costs incurred pursuant to the underlying legal services agreement. Fair Value Measurements. U.S. GAAP defines fair value as the price that would be received for an asset or the exit price that would be paid to transfer a liability in the principal or most advantageous market in an orderly transaction between market participants on the measurement date, and also establishes a fair value hierarchy which requires an entity to maximize the use of observable inputs, where available. The three-level hierarchy of valuation techniques established to measure fair value is defined as follows:
(i) | Level 1 - Observable Inputs: Quoted prices in active markets for identical investments;
(ii) | Level 2 - Pricing Models with Significant Observable Inputs: Other significant observable inputs, including quoted prices for similar investments, interest rates, credit risk, etc.; and
(iii) | Level 3 - Unobservable Inputs: Significant unobservable inputs, including the entity’s own assumptions in determining the fair value of investments.
Whenever possible, the Company is required to use observable market inputs (Level 1 - quoted market prices) when measuring fair value. In such cases, the level at which the fair value measurement falls is determined based on the lowest level input that is significant to the fair value measurement. The assessment of the significance of a particular input requires judgment and considers factors specific to the asset or liability being measured. At December 31, 2017, all of the Company’s investments recorded at fair value were valued utilizing Level 3 - unobservable inputs. In certain cases, inputs used to measure fair value fall into different levels of the fair value hierarchy. Financial assets and liabilities measured at fair value on a recurring basis were as follows (in thousands):
| Level 1 |  | Level 2 |  | Level 3
Assets as of December 31, 2017: |  |  |  |  |
Investment at fair value (Note 7)(1) | $ | — |  |  | $ | — |  |  | $ | 104,754 |
Assets as of December 31, 2016: |  |  |  |  |
Short-term investments(1) | $ | 19,443 |  |  | $ | — |  |  | $ | — |
____________________ (1) There were no transfers between fair value hierarchy categories for the period presented. A reconciliation of the activity for fair value measurements categorized within Level 3 for the year ended December 31, 2017 is as follows (in thousands):
| Investment at Fair Value
| Common Stock |  | Warrants |  | Total
Opening balance as of January 1, 2017 | $ | — |  |  | $ | — |  |  | $ | — |
Total gains and losses included in earnings for the period(1) |  |  |  |  |
Gain on conversion of loans and accrued interest | 2,671 |  |  | — |  |  | 2,671 |
Gain on exercise of Primary Warrant | — |  |  | 4,616 |  |  | 4,616 |
Change in fair value of investment, net | 33,922 |  |  | 8,317 |  |  | 42,239 |
Purchases, issues, sales and settlements |  |  |  |  |  |  |
Purchases and issues(2) | 54,202 |  |  | 1,026 |  |  | 55,228 |
Total recurring fair value measurements(1) | $ | 90,795 |  |  | $ | 13,959 |  |  | $ | 104,754 |
____________________ (1) All gains and losses included in earnings for the period presented relate to assets and liabilities held as of December 31, 2017. (2) Refer to Note 7 for information regarding purchase and issues activity for the years ended December 31, 2017 and 2016. Cash and Cash Equivalents. Acacia considers all highly liquid, short-term investments with original maturities of three months or less when purchased to be cash equivalents. For the periods presented, Acacia’s cash equivalents are comprised of investments in AAA rated money market funds that invest in first-tier only securities, which primarily includes: domestic commercial paper, securities issued or guaranteed by the U.S. government or its agencies, U.S. bank obligations, and fully collateralized repurchase agreements. Acacia’s cash equivalents are measured at fair value using quoted prices that represent Level 1 inputs. Short-term Investments. Investments in securities with original maturities of greater than three months and less than one year and other investments representing amounts that are available for current operations are classified as short-term investments, unless there are indications that such investments may not be readily sold in the short-term. The fair values of these investments approximate their carrying values. For the applicable periods presented, all of Acacia’s short-term investments were classified as available-for-sale, which are reported at fair value on a recurring basis using significant observable inputs (Level 1), with related unrealized gains and losses in the value of such securities recorded as a separate component of other comprehensive income (loss) in stockholders’ equity until realized. Realized gains and losses are recorded in the statements of operations in other income (expense). Realized and unrealized gains and losses are recorded based on the specific identification method. Interest is included in other income (expense). Impairment of Short-term Investments. Acacia evaluates its investments in marketable securities for potential impairment, employing a methodology on a quarterly basis that considers available quantitative and qualitative evidence. If the cost or carrying value of an investment exceeds its estimated fair value, the Company evaluates, among other factors, general market conditions, credit quality of instrument issuers, the duration and extent to which the fair value is less than cost, and the Company’s intent and ability to hold, or plans or ability to sell. Fair value is estimated based on publicly available market information or other estimates determined by management. Investments are considered to be impaired when a decline in fair value is estimated to be other-than-temporary. Acacia reviews impairments associated with its investments in marketable securities and determines the classification of any impairment as temporary or other-than-temporary. An impairment is deemed other-than-temporary unless (a) Acacia has the ability and intent to hold an investment for a period of time sufficient for recovery of its carrying amount and (b) positive evidence indicating that the investment’s carrying amount is recoverable within a reasonable period of time outweighs any evidence to the contrary. All available evidence, both positive and negative, is considered to determine whether, based on the weight of such evidence, the carrying amount of the investment is recoverable within a reasonable period of time. For investments classified as available-for-sale, unrealized losses that are other-than-temporary are recognized in the consolidated statements of operations. Concentration of Credit Risks. Financial instruments that potentially subject Acacia to concentrations of credit risk are cash equivalents, short-term investments and accounts receivable. Acacia places its cash equivalents and short-term investments primarily in highly rated money market funds and investment grade marketable securities. Cash and cash equivalents are also invested in deposits with certain financial institutions and may, at times, exceed federally insured limits. Acacia has not experienced any significant losses on its deposits of cash and cash equivalents. Three licensees individually accounted for 54%, 21% and 10%, respectively, of revenues recognized during the year ended December 31, 2017. Three licensees individually accounted for 26%, 23% and 11%, respectively, of revenues recognized during the year ended December 31, 2016. Three licensees individually accounted for 24%, 20% and 16%, respectively, of revenues recognized during the year ended December 31, 2015. One licensee individually represented 100% of accounts receivable at December 31, 2017. Four licensees individually represented approximately 39%, 22%, 16% and 15%, respectively, of accounts receivable at December 31, 2016. For 2017, 2016 and 2015, 39%, 79% and 49%, respectively, of revenues were attributable to licensees domiciled in foreign jurisdictions, based on the jurisdiction of the entity obligated to satisfy payment obligations pursuant to the applicable revenue arrangement. The Company does not have any material foreign operations. Acacia performs credit evaluations of its licensees with significant receivable balances, if any, and has not experienced any significant credit losses. Accounts receivable are recorded at the executed contract amount and generally do not bear interest. Collateral is not required. An allowance for doubtful accounts may be established to reflect the Company’s best estimate of probable losses inherent in the accounts receivable balance, and is reflected as a contra-asset account on the balance sheet and a charge to operating expenses in the statements of operations for the applicable period. The allowance is determined based on known troubled accounts, historical experience, and other currently available evidence. There was no allowance for doubtful accounts established for the periods presented. Fair Value of Financial Instruments. The carrying value of cash and cash equivalents, accounts receivables, and current liabilities approximates their fair values due to their short-term maturities. Property and Equipment. Property and equipment are recorded at cost. Major additions and improvements that materially extend useful lives of property and equipment are capitalized. Maintenance and repairs are charged against the results of operations as incurred. When these assets are sold or otherwise disposed of, the asset and related depreciation are relieved, and any gain or loss is included in the consolidated statements of operations for the period of sale or disposal. Depreciation and amortization is computed on a straight-line basis over the following estimated useful lives of the assets:
Furniture and fixtures | 3 to 5 years
Computer hardware and software | 3 to 5 years
Leasehold improvements | 2 to 5 years (Lesser of lease term or useful life of improvement)
Rental payments on operating leases are charged to expense in the consolidated statements of operations on a straight-line basis over the lease term. Patents. Patents include the cost of patents or patent rights (hereinafter, collectively “patents”) acquired from third-parties or obtained in connection with business combinations. Patent costs are amortized utilizing the straight-line method over their remaining economic useful lives, ranging from one to six years. Investments at Fair Value. On an individual investment basis, Acacia may elect to account for investments in companies where the Company has the ability to exercise significant influence over operating and financial policies of the investee, at fair value. If the fair value option is applied to an investment that would otherwise be accounted for under the equity method of accounting, it is applied to all of the financial interests in the same entity that are eligible items (i.e. common stock and warrants). Equity Method Investments. Equity investments without readily determinable fair values in companies over which the Company has the ability to exercise significant influence, are accounted for using the equity method of accounting, and classified within “Equity Method Investments” in the consolidated balance sheet. Acacia includes its proportionate share of earnings and/or losses of its equity method investees in equity in earnings (losses) of investee in the consolidated statements of operations. Impairment of Investments. Acacia reviews its equity method investments quarterly for indicators of other-than-temporary impairment. This determination requires significant judgment. In making this judgment, Acacia considers available quantitative and qualitative evidence in evaluating potential impairment of its investments. If the cost of an investment exceeds its fair value, Acacia evaluates, among other factors, general market conditions and the duration and extent to which the fair value is less than cost. Acacia also considers specific adverse conditions related to the financial health of and business outlook for the investee, including industry and sector performance, changes in technology, and operational and financing cash flow factors. Once a decline in fair value is determined to be other-than-temporary, an impairment charge is recorded in the consolidated statements of operations and a new cost basis in the investment is established. Impairment of Long-lived Assets. Acacia reviews long-lived assets and intangible assets for potential impairment annually (quarterly for patents) and when events or changes in circumstances indicate the carrying amount of an asset may not be recoverable. In the event the expected undiscounted future cash flows resulting from the use of the asset is less than the carrying amount of the asset, an impairment loss is recorded equal to the excess of the asset’s carrying value over its fair value. If an asset is determined to be impaired, the loss is measured based on quoted market prices in active markets, if available. If quoted market prices are not available, the estimate of fair value is based on various valuation techniques, including a discounted value of estimated future cash flows. In the event that management decides to no longer allocate resources to a patent portfolio, an impairment loss equal to the remaining carrying value of the asset is recorded. Refer to Note 5 for additional information. Fair value is generally estimated using the “Income Approach,” focusing on the estimated future net income-producing capability of the patent portfolios over the estimated remaining economic useful life. Estimates of future after-tax cash flows are converted to present value through “discounting,” including an estimated rate of return that accounts for both the time value of money and investment risk factors. Estimated cash inflows are typically based on estimates of reasonable royalty rates for the applicable technology, applied to estimated market data. Estimated cash outflows are based on existing contractual obligations, such as contingent legal fee and inventor royalty obligations, applied to estimated license fee revenues, in addition to other estimates of out-of-pocket expenses associated with a specific patent portfolio’s licensing and enforcement program. The analysis also contemplates consideration of current information about the patent portfolio including, status and stage of litigation, periodic results of the litigation process, strength of the patent portfolio, technology coverage and other pertinent information that could impact future net cash flows. Contingent Liabilities. The Company, from time to time, is involved in certain legal proceedings. Based upon consultation with outside counsel handling its defense in these matters and the Company’s analysis of potential outcomes, if the Company determines that a loss arising from such matters is probable and can be reasonably estimated, an estimate of the contingent liability is recorded in its consolidated financial statements. If only a range of estimated loss can be determined, an amount within the range that, based on estimates, assumptions and judgments, reflects the most likely outcome, is recorded as a contingent liability in the consolidated financial statements. In situations where none of the estimates within the estimated range is a better estimate of probable loss than any other amount, the Company records the low end of the range. Any such accrual would be charged to expense in the appropriate period. Litigation expenses for these types of contingencies are recognized in the period in which the litigation services were provided. Certain of Acacia’s operating subsidiaries are often required to engage in litigation to enforce their patents and patent rights. In connection with any of Acacia’s operating subsidiaries’ patent enforcement actions, it is possible that a defendant may request and/or a court may rule that an operating subsidiary has violated statutory authority, regulatory authority, federal rules, local court rules, or governing standards relating to the substantive or procedural aspects of such enforcement actions. In such event, a court may issue monetary sanctions against Acacia or its operating subsidiaries or award attorney’s fees and/or expenses to a defendant(s), which could be material, and if required to be paid by Acacia or its operating subsidiaries, could materially harm the Company’s operating results and financial position. Stock-Based Compensation. The compensation cost for all stock-based awards is measured at the grant date, based on the fair value of the award, and is recognized as an expense on a straight-line basis over the employee’s requisite service period (generally the vesting period of the equity award) which is generally two to four years. The fair value of restricted stock and restricted stock unit awards is determined by the product of the number of shares or units granted and the grant date market price of the underlying common stock. The fair value of each option award is estimated on the date of grant using a Black-Scholes option-pricing model. Stock-based compensation expense for awards with service and/or performance conditions that affect vesting is recorded only for those awards expected to vest using an estimated forfeiture rate. The FASB issued a new standard, effective January 1, 2017, that allows entities to make a policy election to either estimate the number of awards that are expected to vest or account for forfeitures when they occur. Effective January 1, 2017, the Company elected to account for forfeitures of awards as they occur. The prior standard required the Company to estimate the number of awards for which the requisite service period is expected to be rendered and base the accruals of compensation cost on the estimated number of awards that will vest. The fair values of stock options granted during the periods presented were estimated using the Black-Scholes option-pricing model, based on the following weighted-average assumptions:
| For the Years Ended
| December 31, 2017 |  | December 31, 2016
Risk-free interest rate | 1.77% |  | 1.1%
Term | 4.37 |  | 3.06
Volatility | 51% |  | 53%
Dividend yield | —% |  | —%
Due to a lack of sufficient historical stock option exercise experience, the Company utilized the simplified method for estimating the expected term for stock options granted during the periods presented. Expected volatility is based on the historical volatility of the Company’s stock for the length of time corresponding to the expected term of the option. The risk-free interest rate is based on the U.S. treasury yield curve on the grant date for the expected term of the option. Restricted stock awards and stock option awards with performance-based vesting conditions generally vest based upon the Company achieving specified cash flow performance targets over a one and two-year period from the date of grant. Performance-based stock options awards with market-based vesting conditions vest based upon the Company achieving specified stock price targets over a four-year period. The effect of a market condition is reflected in the estimate of the grant-date fair value of the options utilizing a Monte Carlo valuation technique. Compensation cost is recognized for an option with a market-based vesting condition provided that the requisite service is rendered, regardless of when, if ever, the market condition is satisfied. The service period for options with a market-based vesting condition is inferred from the application of the Monte Carlo valuation technique. The derived service period represents the duration of the median of the distribution of share price paths on which the market condition is satisfied. The duration is the period of time from the service inception date to the expected date of satisfaction, as determined from the valuation technique. Assumptions utilized in connection with the Monte Carlo valuation technique included: estimated risk-free interest rate; expected volatility; and expected dividend yield. The risk-free interest rate was determined based on the yields available on U.S. Treasury zero-coupon issues. The expected stock price volatility was determined using historical volatility. The expected dividend yield was based on expectations regarding dividend payments. Profits Interest Units (“Units”) are accounted for in accordance with Accounting Standards Codification (“ASC”) 718-10, “Compensation - Stock Compensation.” The Units vest as described at Note 10, and therefore, the vesting conditions do not meet the definition of service, market or performance conditions, as defined in ASC 718. As such, the Units are classified as liability awards. Liability classified awards are measured at fair value on the grant date and re-measured each reporting period at fair value until the award is settled. Compensation expense is adjusted each reporting period for changes in fair value prorated for the portion of the requisite service period rendered. Initially, compensation expense was recognized on a straight-line basis over the employee’s requisite service period (generally the vesting period of the equity award) which was five years. Upon full vesting of the award, which occurred during the three months ended September 30, 2017, previously unrecognized compensation expense was immediately recognized in the period, and will continue to be fully recognized for any changes in fair value, until the Units are settled. Non-cash stock compensation expense related to the Units is reflected in general and administrative expense in the accompanying consolidated statements of operations. Income Taxes. Income taxes are accounted for using an asset and liability approach that requires the recognition of deferred tax assets and liabilities for the expected future tax consequences of events that have been recognized in Acacia’s consolidated financial statements or consolidated income tax returns. A valuation allowance is established to reduce deferred tax assets if all, or some portion, of such assets will more than likely not be realized, or if it is determined that there is uncertainty regarding future realization of such assets. Under U.S. generally accepted accounting principles, a tax position is a position in a previously filed tax return or a position expected to be taken in a future tax filing that is reflected in measuring current or deferred income tax assets and liabilities. Tax positions are recognized only when it is more likely than not (likelihood of greater than 50%), based on technical merits, that the position will be sustained upon examination. Tax positions that meet the more likely than not threshold are measured using a probability weighted approach as the largest amount of tax benefit that is greater than 50% likely of being realized upon settlement. Segment Reporting. Acacia uses the management approach, which designates the internal organization that is used by management for making operating decisions and assessing performance as the basis of Acacia’s reportable segments. Acacia’s patent licensing and enforcement business constitutes its single reportable segment. Use of Estimates. The preparation of financial statements in conformity with generally accepted accounting principles in the United States of America requires management to make estimates and assumptions that affect the reported amount of assets and liabilities and disclosure of contingent assets and liabilities at the date of the consolidated financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from these estimates. Acacia believes that, of the significant accounting policies described herein, the accounting policies associated with revenue recognition, the valuation of the loan and equity instruments discussed at Note 7, stock-based compensation expense including the valuation of profits interests, impairment of patent-related intangible assets, the determination of the economic useful life of amortizable intangible assets, income taxes and valuation allowances against net deferred tax assets, require its most difficult, subjective or complex judgments. Income (Loss) Per Share. The Company computes net income (loss) attributable to common stockholders using the two-class method required for capital structures that include participating securities. Under the two-class method, securities that participate in non-forfeitable dividends, such as the Company’s outstanding unvested restricted stock, are considered “participating securities.” In applying the two-class method, (i) basic net income (loss) per share is computed by dividing net income (loss) (less any dividends paid on participating securities) by the weighted average number of shares of common stock and participating securities outstanding for the period and (ii) diluted earnings per share may include the additional effect of other securities, if dilutive, in which case the dilutive effect of such securities is calculated by applying the two-class method and the treasury stock method to the assumed exercise or vesting of potentially dilutive common shares. The method yielding the more dilutive result is ultimately reported for the applicable period. Potentially dilutive common stock equivalents primarily consist of employee stock options, and restricted stock units for calculations utilizing the two-class method, and also include unvested restricted stock, when utilizing the treasury method. The following table presents the weighted-average number of common shares outstanding used in the calculation of basic and diluted income per share:
|  | 2017 |  | 2016 |  | 2015
Numerator (in thousands): |  |  |  |  |  |
Basic and Diluted |  |  |  |  |  |
Net income (loss) attributable to Acacia Research Corporation |  | $ | 22,180 |  |  | $ | (54,067 | ) |  | $ | (160,036 | )
Undistributed earnings allocated to participating securities |  | (33 | ) |  | — |  |  | — |
Total dividends declared / paid |  | — |  |  | — |  |  | (25,434 | )
Dividends attributable to common stockholders |  | — |  |  | — |  |  | 24,740 |
Net income (loss) attributable to common stockholders – basic and diluted |  | $ | 22,147 |  |  | $ | (54,067 | ) |  | $ | (160,730 | )
Denominator: |  |  |  |  |  |
Weighted-average shares used in computing net loss per share attributable to common stockholders – basic |  | 50,495,119 |  |  | 50,075,847 |  |  | 49,505,817 |
Effect of potentially dilutive securities: |  |  |  |  |  |
Common stock options and restricted stock units |  | 196,893 |  |  | — |  |  | — |
Weighted-average shares used in computing net income (loss) per share attributable to common stockholders – diluted |  | 50,692,012 |  |  | 50,075,847 |  |  | 49,505,817 |
Basic and diluted net loss per common share |  | $ | 0.44 |  |  | $ | (1.08 | ) |  | $ | (3.25 | )
Anti-dilutive equity-based incentive awards excluded from the computation of diluted loss per share |  | 4,425,187 |  |  | 3,682,532 |  |  | 71,468 |
Treasury Stock. Repurchases of the Company’s outstanding common stock are accounted for using the cost method. The applicable par value is deducted from the appropriate capital stock account on the formal or constructive retirement of treasury stock. Any excess of the cost of treasury stock over its par value is charged to additional paid-in capital, and reflected as Treasury Stock on the consolidated balance sheets. Recent Accounting Pronouncements - Not Yet Adopted. In May 2014, the FASB issued a new accounting standards update addressing revenue from contracts with customers, which clarifies existing accounting literature relating to how and when a company recognizes revenue. Under the standard, a company will recognize revenue when it transfers promised goods or services to customers in an amount that reflects the consideration to which the company expects to be entitled in exchange for those goods and services. In doing so, the Company may be required to use more judgment and make more estimates in connection with the accounting for revenue contracts with customers than under existing guidance. Such areas may include identifying performance obligations in the contract, estimating the timing of satisfaction of performance obligations, determining whether a promise to grant a license is distinct from other promised goods or services, evaluating whether a license transfers to a customer at a point in time or over time, allocating the transaction price to separate performance obligations, determining whether contracts contain a significant financing component, and estimating revenues recognized at a point in time for sales or usage based royalties. Under the standard, (i) an entity should account for a promise to provide a customer with a right to access the entity’s intellectual property as a performance obligation satisfied over time because the customer will simultaneously receive and consume the benefit from the entity’s performance of providing access to its intellectual property as the performance occurs, and (ii) an entity’s promise to provide a customer with the right to use its intellectual property is satisfied at a point in time. In addition, revenues from contracts with significant financing components should be recognized at an amount that reflects the price that a customer would have paid if the customer had paid cash for the goods or services when they transfer to the customer (i.e. adjustment for the time value of money). For sales and usage based royalties, the new standard requires that the Company include in the transaction price some or all of an amount of estimated variable consideration to the extent that it is probable that a significant reversal in the amount of cumulative revenue recognized will not occur when the uncertainty associated with the variable consideration is subsequently resolved. The amendments for this new accounting standard update are effective for interim and annual reporting periods beginning after December 15, 2017, and are to be applied retrospectively or via the cumulative effect as of the date of adoption, with early application not permitted. The Company expects to use the modified retrospective method of adoption and will recognize the cumulative effect of initially applying the new revenue standard as an adjustment to the opening balance of retained earnings in the period of initial application (first quarter of 2018 for Acacia). Comparative prior year periods would not be adjusted. The preliminary estimate of the cumulative effect of initially applying the new revenue standard is an decrease to beginning accumulated deficit of $3.0 million, primarily relating to financing components of contracts executed in prior periods and estimates of variable consideration for sales and usage based royalty agreements executed in prior periods. Management continues to assess the impact of this new standard on the Company’s consolidated financial statements and related disclosures, including ongoing contract reviews. Preliminary estimates of the adjustment upon initial adoption may change in connection with completion of the Company’s adoption procedures in the first quarter of 2018. In February 2016, the FASB issued an accounting standard update which requires lessees to recognize most leases on the balance sheet. This is expected to increase both reported assets and liabilities. The new lease standard does not substantially change lessor accounting. For public companies, the standard will be effective for the first interim reporting period within annual periods beginning after December 15, 2018, although early adoption is permitted. Lessees and lessors will be required to apply the new standard at the beginning of the earliest period presented in the financial statements in which they first apply the new guidance, using a modified retrospective transition method. The requirements of this standard include a significant increase in required disclosures. Management is currently assessing the impact that adopting this new accounting guidance will have on its financial statements and footnote disclosures. In May 2017, the FASB issued amended guidance to clarify when to account for a change to the terms or conditions of a share-based payment award as a modification. Under the new guidance, modification accounting is required only if the fair value, the vesting conditions or the classification of the award changes as a result of the change in terms or conditions. This amendment is effective prospectively for annual periods beginning on or after December 15, 2017, with early adoption permitted. Management is currently assessing the impact that adopting this new accounting guidance will have on its financial statements and footnote disclosures. Recently Adopted Accounting Pronouncements - Recently Adopted. In March 2016, the FASB issued a new standard that changes the accounting for certain aspects of share-based payments to employees. The new guidance requires all income tax effects of awards to be recognized in the income statement when the awards vest or are settled. It also allows an employer to repurchase more of an employee’s shares than previously allowed for tax withholding purposes without triggering liability accounting and to make a policy election for forfeitures as they occur. The guidance is effective for public business entities for fiscal years beginning after December 15, 2016, and interim periods within those years. The adoption of this standard did not have a material impact on the Company’s consolidated financial statements.

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