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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES | 3 Months Ended
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Mar. 31, 2022
Accounting Policies [Abstract] |
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES | SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Accounting Principles 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 consolidated financial statements include the accounts of Acacia and its wholly and majority-owned and controlled subsidiaries. All 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 Consolidated Statements of Series A Redeemable Convertible Preferred Stock and Stockholders’ Equity for total noncontrolling interests. In 2020, in connection with the transaction with Link Fund Solutions Limited, which is more fully described in Note 3, the Company acquired equity securities of Malin J1 Limited (“MalinJ1”). MalinJ1 is included in the Company’s consolidated financial statements because the Company, through its interest in the equity securities of MalinJ1, has the ability to control the operations and activities of MalinJ1. Viamet HoldCo LLC, a Delaware limited liability company and wholly-owned subsidiary of Acacia, is the majority shareholder of MalinJ1. Basis of Presentation The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with U.S. GAAP for interim financial information and with the instructions to Form 10-Q and Rule 10-01 of Regulation S-X. Accordingly, certain information and note disclosures required by U.S. GAAP in annual financial statements have been omitted or condensed in accordance with quarterly reporting requirements of the Securities and Exchange Commission (“SEC”). These interim unaudited condensed consolidated financial statements and notes hereto should be read in conjunction with the consolidated financial statements and notes thereto for the year ended December 31, 2021, as reported by Acacia in its Annual Report on Form 10-K filed with the SEC on March 31, 2022, as well as in our other public filings with the SEC. The condensed consolidated interim financial statements of Acacia include all adjustments of a normal recurring nature which, in the opinion of management, are necessary for a fair statement of Acacia’s consolidated financial position as of March 31, 2022, and results of its operations and its cash flows for the interim periods presented. The consolidated results of operations for the three months ended March 31, 2022 are not necessarily indicative of the results to be expected for the entire fiscal year. Segment Reporting The Company 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 the Company’s reportable segments. Refer to Note 15 for additional information regarding our two reportable business segments: Intellectual Property Operations and Industrial Operations. Use of Estimates The preparation of financial statements in conformity with U.S. GAAP 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, estimates of variable consideration for revenue, including sales returns, the valuation of equity securities without readily determinable fair value, the determination of excess and obsolete inventories, bad debt allowances and product warranty liabilities, the valuation of Series A redeemable convertible preferred stock (the “Series A Redeemable Convertible Preferred Stock”), embedded derivatives, Series A warrants (the “Series A Warrants”) and Series B warrants (the “Series B Warrants”), stock-based compensation expense, impairment of goodwill, patent-related and other intangible assets, the determination of the economic useful life of amortizable intangible assets, and income taxes and valuation allowances against net deferred tax assets, require its most difficult, subjective or complex judgments. Revenue Recognition Intellectual Property Operations Acacia's revenue is recognized upon transfer of control (i.e., by the granting) of promised bundled IP Rights and other contractual performance obligations to licensees in an amount that reflects the consideration we expect to receive in exchange for those IP Rights. Revenue contracts that provide promises to grant the right to use IP Rights as they exist at the point in time at which the IP Rights are granted, are accounted for as performance obligations satisfied at a point in time and revenue is recognized at the point in time that the applicable performance obligations are satisfied and all other revenue recognition criteria have been met. For the periods presented, revenue contracts executed by Acacia primarily provided for the payment of contractually determined, one-time, paid-up license fees in consideration for the grant of certain IP Rights for patented technologies owned or controlled by Acacia. Revenues also included license fees from sales-based revenue contracts, the majority of which were originally executed in prior periods, which provide for the payment of quarterly license fees based on quarterly sales of applicable product units by licensees (“Recurring License Revenue Agreements”). Revenues may also include court ordered settlements or awards related to our patent portfolio or sales of our patent portfolio. IP Rights granted included the following, as applicable: (i) the grant of a non-exclusive, future license to manufacture and/or sell products covered by patented technologies, (ii) a covenant-not-to-sue, (iii) the release of the licensee from certain claims, and (iv) the dismissal of any pending litigation. The IP Rights granted were generally perpetual in nature, extending until the legal expiration date of the related patents. The individual IP Rights are not accounted for as separate performance obligations, as (i) the nature of the promise, within the context of the contract, is to grant combined items to which the promised IP Rights are inputs and (ii) the Company's promise to grant each individual IP right described above to the customer is not separately identifiable from other promises to grant IP Rights in the contract. Since the promised IP Rights are not individually distinct, Acacia combined each individual IP Right in the contract into a bundle of IP Rights that is distinct, and accounted for all of the IP Rights promised in the contract as a single performance obligation. The IP Rights granted were “functional IP rights” that have significant standalone functionality. Acacia’s subsequent activities do not substantively change that functionality and do not significantly affect the utility of the IP to which the licensee has rights. Acacia’s operating subsidiaries have no further obligation with respect to the grant of IP Rights, including no express or implied obligation to maintain or upgrade the technology, or provide future support or services. The contracts provide for the grant of the licenses, covenants-not-to-sue, releases, and other significant deliverables upon execution of the contract. Licensees legally obtain control of the IP Rights upon execution of the contract. As such, the earnings process is complete and revenue is recognized upon the execution of the contract, when collectability is probable and all other revenue recognition criteria have been met. Revenue contracts generally provide for payment of contractual amounts within 15-90 days of execution of the contract, or the end of the quarter in which the sale or usage occurs for Recurring License Revenue Agreements. Contractual payments made by licensees are generally non-refundable. For sales-based royalties from Recurring License Revenue Agreements, Acacia includes 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. Notwithstanding, revenue is recognized for a sales-based royalty promised in exchange for a license of IP Rights when the later of (i) the subsequent sale or usage occurs, or (ii) the performance obligation to which some or all of the sales-based royalty has been allocated has been satisfied. Estimates are generally based on historical levels of activity, if available. Revenues from contracts with significant financing components (either explicit or implicit) are recognized at an amount that reflects the price that a licensee would have paid if the licensee had paid cash for the IP Rights when they are granted to the licensee. In determining the transaction price, Acacia adjusts the promised amount of consideration for the effects of the time value of money. As a practical expedient, Acacia does not adjust the promised amount of consideration for the effects of a significant financing component if Acacia expects, at contract inception, that the period between when the entity grants promised IP Rights to a customer and when the customer pays for the IP Rights will be one year or less. In general, Acacia is required to make certain judgments and estimates in connection with the accounting for revenue contracts with customers. 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-based royalties. License revenues were comprised of the following for the periods presented:
| Three Months Ended March 31,
| 2022 |  | 2021
| (In thousands)
Paid-up license revenue agreements | $ | 2,193 |  |  | $ | 5,410 |
Recurring License Revenue Agreements | 422 |  |  | 393 |
Total | $ | 2,615 |  |  | $ | 5,803 |
Industrial Operations Printronix recognizes revenue to depict the transfer of goods or services to a customer at an amount that reflects the consideration which it expects to receive for providing those goods or services. To determine the transaction price, Printronix estimates the amount of consideration to which it expects to be entitled in exchange for transferring promised goods or services to a customer. Elements of variable consideration are estimated at the time of sale which primarily include product rights of return, rebates, price protection and other incentives that occur under established sales programs. These estimates are developed using the expected value or the most likely amount method and are reviewed and updated, as necessary, at each reporting period. Revenues, inclusive of variable consideration, are recognized to the extent it is probable that a significant reversal recognized will not occur in future periods. The provision for returns and sales allowances is determined by an analysis of the historical rate of returns and sales allowances over recent quarters, and adjusted to reflect management’s future expectations. Printronix enters into contract arrangements that may include various combinations of tangible products (which include printers, consumables and parts) and services, which are generally capable of being distinct and accounted for as separate performance obligations. Printronix evaluates whether two or more contracts should be combined and accounted for as a single contract and whether the combined or single contract has more than one performance obligation. This evaluation requires judgement, and the decision to combine a group of contracts or separate the combined or single contract into multiple distinct performance obligations may impact the amount of revenue recorded in a reporting period. Printronix deems performance obligations to be distinct if the customer can benefit from the product or service on its own or together with readily available resources (i.e. capable of being distinct) and if the transfer of products or services is separately identifiable from other promises in the contract (i.e. distinct within the context of the contract). For contract arrangements that include multiple performance obligations, Printronix allocates the total transaction price to each performance obligation in an amount based on the estimated relative standalone selling prices for each performance obligation. In general, standalone selling prices are observable for tangible products and standard software while standalone selling prices for repair and maintenance services are developed with an expected cost-plus margin or residual approach. Regional pricing, marketing strategies and business practices are evaluated to derive the estimated standalone selling price using a cost-plus margin methodology. Printronix recognizes revenue for each performance obligation upon transfer of control of the promised goods or services. Control is deemed to have been transferred when the customer has the ability to direct the use of and has obtained substantially all of the remaining benefits from the goods and services. The determination of whether control transfers at a point in time or over time requires judgment and includes consideration of the following: (i) the customer simultaneously receives and consumes the benefits provided as Printronix performs its promises, (ii) the performance creates or enhances an asset that is under control of the customer, (iii) the performance does not create an asset with an alternative use to Printronix, and (iv) Printronix has an enforceable right to payment for its performance completed to date. Revenues for products are generally recognized upon shipment, whereas revenues for services are generally recognized over time, assuming all other criteria for revenue recognition have been met. Incremental costs of obtaining a contract are expensed as incurred. Service revenue commissions are tied to the revenue recognized during the current year of the related sale. Printronix offers printer-maintenance services through service agreements that customers may purchase separately from the printer. These agreements commence upon expiration of the standard warranty period. Printronix provides the point-of-customer-contact, dispatches calls and sells the parts used for printer repairs to service providers. Printronix contracts third parties to perform the on-site repair services at the time of sale which covers the period of service at a set amount. The maintenance service agreements are separately priced at a stand-alone value. For those transactions in which maintenance service agreements are purchased concurrently with the purchase of printers, the revenue is deferred based on the selling price, which approximates the stand-alone value for separately sold maintenance services agreements. Revenue from maintenance service contracts are recognized on a straight-line basis over the period of each individual contract, which is consistent with the pattern in which the benefit is consumed by the customer. Printronix's net revenues were comprised of the following:
| Three Months Ended March 31,
| 2022 |  |
| (In thousands)
Printers, consumables and parts | $ | 9,638 |  |  |
Services | 1,254 |  |  |
Total | $ | 10,892 |  |  |
Refer to Note 15 for additional information regarding net sales to customers by geographic region. Deferred revenue in the consolidated balance sheets represents a contract liability under Accounting Standards Codification (“ASC”) 606 and consists of payments and billings in advance of the performance. Printronix recognized approximately $850,000 in revenue that was previously included in the beginning balance of deferred revenue during the three months ended March 31, 2022. Printronix's payment terms vary by the type and location of its customers and the products, solutions or services offered. The time between invoicing and when payment is due is not significant. In instances where the timing of revenue recognition differs from the timing of invoicing, Printronix has determined that its contracts do not include a significant financing component. Printronix's remaining performance obligations, following the transfer of products to customers, primarily relate to repair and support services. The aggregated transaction price allocated to remaining performance obligations for arrangements with an original term exceeding one year was $854,000, inclusive of deferred revenue, as of March 31, 2022. On average, remaining performance obligations as of March 31, 2022 are expected to be recognized over a period of approximately two years. Cost of Revenues Intellectual Property Operations 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, patent maintenance and prosecution costs, 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. Cost of revenues were comprised of the following for the periods presented:
| Three Months Ended March 31,
| 2022 |  | 2021
| (In thousands)
Inventor royalties | $ | 170 |  |  | $ | 95 |
Contingent legal fees | 549 |  |  | 1,094 |
Litigation and licensing expenses | 1,244 |  |  | 2,262 |
Amortization of patents | 2,601 |  |  | 1,862 |
Total | $ | 4,564 |  |  | $ | 5,313 |
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. Patent costs, including any upfront advances paid to patent owners by Acacia’s operating subsidiaries, 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. Inventor royalty and contingent legal agreements generally provide for payment by Acacia of contractual amounts 30 days subsequent to the quarter end during which related license fee payments are received from licensees by Acacia. Industrial Operations Included in cost of sales are inventory costs (refer to "Inventories" below), indirect labor, overhead and warranty costs. Printronix offers both assurance-type and service-type product warranties with varying terms depending on the product, region and customer contracts. Warranty periods range from three months to two years. The provision for warranty costs is determined by applying the historical claims experience and estimated repair costs to the outstanding units under warranty. The following is a summary of the accrued warranty liabilities, which are included in accrued expenses and other current liabilities, and other long-term liabilities in the consolidated balance sheets:
| Three Months Ended March 31,
| 2022 |  |
| (In thousands)
Beginning balance | $ | 222 |  |  |
Estimated future warranty expense | 11 |  |  |
Warranty claims settled | (63) |  |  |
Ending balance | $ | 170 |  |  |
Concentrations Intellectual Property Operations Financial instruments that potentially subject Acacia to concentrations of credit risk are cash equivalents and accounts receivable. Acacia places its cash equivalents 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. Six licensees individually accounted for more than 10% of total recognized revenue, ranging from 11% to 18%, during the three months ended March 31, 2022. Two licensees individually accounted for 61% and 9% of revenues recognized during the three months ended March 31, 2021. Historically, Acacia has not had material foreign operations. Based on the jurisdiction of the entity obligated to satisfy payment obligations pursuant to the applicable license revenue arrangement, for the three months ended March 31, 2022 and 2021, 20% and 10%, respectively, of revenues were attributable to licensees domiciled in foreign jurisdictions. Refer to Note 15 for additional information regarding revenue from customers by geographic region. Three licensees individually represented approximately 44%, 44% and 12% of accounts receivable at March 31, 2022. Two licensees individually represented approximately 59% and 41% of accounts receivable at December 31, 2021. Industrial Operations No single Printronix customer accounted for more than 10% of revenue for the three months ended March 31, 2022. Printronix has significant foreign operations. Refer to Note 15 for additional information regarding net sales to customers by geographic region. Accounts receivable from one customer represented 13% of accounts receivable as of March 31, 2022, and one customer represented 11% of accounts receivable as of December 31, 2021. Exposure to credit risk is limited by the large number of customers comprising the remainder of the Printronix customer base and by periodic customer credit evaluations performed by Printronix. No single Printronix vendor accounted for 10% or more of purchases for the three months ended March 31, 2022. Accounts payable to one vendor represented 11% of accounts payable as of March 31, 2022, and one vendor represented 14% of accounts payable as of December 31, 2021. Cash and Cash Equivalents Acacia considers all highly liquid securities 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 include domestic commercial paper and securities issued or guaranteed by the U.S. government or its agencies. Equity Securities at Fair Value Investments in equity securities are reported at fair value on a recurring basis, with related realized and unrealized gains and losses in the value of such securities recorded in the consolidated statements of operations in other income or (expense). Dividend income is included in other income or (expense). Refer to Note 9 for additional information related to fair value measurements. Equity securities at fair value for the periods presented were comprised of the following:
Security Type |  | Cost |  | Gross Unrealized Gain |  | Gross Unrealized Loss |  | Fair Value
|  | (In thousands)
March 31, 2022: |  |  |  |  |  |  |  |
Equity securities - Life Sciences Portfolio (Note 3) |  | $ | 48,279 |  |  | $ | 92,253 |  |  | $ | (2,570) |  |  | $ | 137,962 |
Equity securities - other common stock |  | 108,489 |  |  | 11,822 |  |  | (11,789) |  |  | 108,522 |
Total |  | $ | 156,768 |  |  | $ | 104,075 |  |  | $ | (14,359) |  |  | $ | 246,484 |
December 31, 2021: |  |  |  |  |  |  |  |
Equity securities - Life Sciences Portfolio (Note 3) |  | $ | 56,037 |  |  | $ | 262,811 |  |  | $ | (1,488) |  |  | $ | 317,360 |
Equity securities - other common stock |  | 43,822 |  |  | 2,068 |  |  | (1,472) |  |  | 44,418 |
Total |  | $ | 99,859 |  |  | $ | 264,879 |  |  | $ | (2,960) |  |  | $ | 361,778 |
Equity Securities Without Readily Determinable Fair Value For equity securities that do not have a readily determinable fair value, the Company elected to report them under the measurement alternative. They are reported at cost minus impairment, if any, plus or minus changes resulting from observable price changes in orderly transactions for an identical or similar investment of the same issuer. The fair values of the private company securities were estimated based on recent financing transactions and secondary market transactions and factoring in any adjustments for illiquidity or preference of these securities. Changes in fair value are reported in the consolidated statements of operations in other income or (expense). To date, the Company has not recorded any impairments nor upward or downward adjustments on our equity securities without readily determinable fair values held as of March 31, 2022 and December 31, 2021. Refer to Note 3 for additional information. Equity Method Investments Equity investments in common stock and in-substance common stock 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. Acacia includes its proportionate share of earnings and/or losses of its equity method investees in earnings on equity investment in joint venture in the consolidated statements of operations. Refer to Note 3 for additional information. Investments in preferred stock with substantive liquidation preferences are accounted for at cost, (subject to impairment considerations, as described below, if any), as adjusted for the impact of changes resulting from observable price changes in orderly transactions for identical or similar investments of the same issuer. In-substance common stock is an investment in an entity that has risk and reward characteristics that are substantially similar to that entity's common stock. An investment in preferred stock with substantive liquidation preferences over common stock, is not substantially similar to common stock, and therefore is not considered in-substance common stock. A liquidation preference is substantive if the investment has a stated liquidation preference that is significant, from a fair value perspective, in relation to the purchase price of the investment. A liquidation preference in an investee that has sufficient subordinated equity from a fair value perspective is substantive because, in the event of liquidation, the investment will not participate in substantially all of the investee's losses, if any. The initial determination of whether an investment is substantially similar to common stock is made on the initial date of investment if the Company has the ability to exercise significant influence over the operating and financial policies of the investee. That determination is reconsidered if (i) contractual terms of the investment are changed, (ii) there is a significant change in the capital structure of the investee, including the investee's receipt of additional subordinated financing, or (iii) the Company obtains an additional interest in an investment, resulting in the method of accounting for the cumulative interest being based on the characteristics of the investment at the date at which the Company obtains the additional interest. Investment 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 method 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). As part of the Company’s equity securities in the Life Sciences Portfolio, the Company has elected to apply the fair value method to one investment, r efer to Note 3 for additional information. During 2016 and 2017, Acacia made certain investments in Veritone, Inc. (“Veritone”). As a result of these transactions, Acacia received shares of Veritone common stock and warrants. We elected the fair value method for our investment in Veritone upon acquisition. During 2018, Acacia began to divest its investments in Veritone. During 2020, Acacia sold its remaining shares of common stock. During the quarter ended March 31, 2021, included in the consolidated statement of operations, Acacia recorded an unrealized loss of $2.8 million from our investment in warrants, as reflected in the change in fair value of investment, and Acacia exercised all remaining warrants and recorded a realized gain on sale of investment of $3.6 million. Since March 2021, the Company no longer has an investment in Veritone common stock and warrants. Impairment of Investments Acacia reviews its 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. Accounts Receivable and Allowance for Doubtful Accounts Intellectual Property 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 sheets and a charge to general and administrative expenses in the consolidated 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 as of March 31, 2022 and December 31, 2021. Industrial Operations Printronix's accounts receivable are recorded at the invoiced amount and do not bear interest. Printronix performs initial and periodic credit evaluations on customers and adjusts credit limits based upon payment history and the customer’s current creditworthiness. The allowance for doubtful accounts is determined by evaluating individual customer receivables, based on contractual terms, reviewing the financial condition of customers, and from the historical experience of write-offs. Receivable losses are charged against the allowance when management believes the account has become uncollectible. Subsequent recoveries, if any, are credited to the allowance. As of March 31, 2022 and December 31, 2021, Printronix's combined allowance for doubtful accounts and allowance for sales returns was $30,000 and $78,000, respectively. Inventories, net Printronix's inventories, which include material, labor and overhead costs, are valued at the lower of cost or net realizable value. Cost is determined at standard cost adjusted on a first-in, first-out basis for variances. Cost includes shipping and handling fees and other costs, including freight insurance and customs duties for international shipments, which are subsequently expensed to cost of sales. Printronix evaluates and records a provision to reduce the carrying value of inventory for estimated excess and obsolete stocks based upon forecasted demand, planned obsolescence and market conditions. Refer to Note 4 for additional information. Long-Term Restricted Cash Restricted cash related to a standby letter of credit, which expired and was cancelled in March 2022. Property, Plant 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. Refer to Note 5 for additional information. Depreciation and amortization is computed on a straight-line basis over the following estimated useful lives of the assets:
Machinery and equipment | 2 to 10 years
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)
Goodwill and Other Intangible Assets Goodwill represents the excess of the acquisition price of a business over the fair value of identified net assets of that business. We evaluate goodwill for impairment at least annually. When evaluating goodwill for impairment, we estimate the fair value of the reporting unit. Several methods may be used to estimate a reporting unit’s fair value, including, but not limited to, discounted projected future net earnings or net cash flows and multiples of earnings. If the carrying amount of a reporting unit, including goodwill, exceeds the estimated fair value, then the excess is charged to earnings as an impairment loss. Refer to Note 6 for additional information. Acacia's patents include the cost of patents or patent rights acquired from third-parties or obtained in connection with business combinations. Acacia's patent costs are amortized utilizing the straight-line method over their estimated useful lives, ranging from five to ten years. Refer to Note 6 for additional information. Printronix's intangible assets consist of trade names and trademarks, patents and customer and distributor relationships. These definite-lived intangible assets, at the time of acquisition, are recorded at fair value and are stated net of accumulated amortization. Printronix currently amortizes the definite-lived intangible assets on a straight-line basis over their estimated useful lives of seven years. Refer to Note 6 for additional information. Leases The Company’s leases primarily consist of facility leases which are classified as operating leases. The Company assesses whether an arrangement contains a lease at inception. The Company recognizes a lease liability to make contractual payments under all leases with terms greater than twelve months and a corresponding right-of-use asset, representing its right to use the underlying asset for the lease term. Lease expense is recognized on a straight-line basis over the lease term. Refer to Note 11 for additional information. Impairment of Long-lived Assets The Company reviews long-lived assets, patents and other 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 in an amount 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. Fair value is generally estimated using the “Income Approach,” focusing on the estimated future net income-producing capability of the patent portfolios over their 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. Refer to Note 6 for additional information. Series A and B Warrants The fair value of the Series A and B Warrants are estimated using a Black-Scholes option-pricing model. Refer to Notes 8 and 9 for additional information related to the Series A and B Warrants and their fair value measurements. Embedded Derivatives Embedded derivatives that are required to be bifurcated from their host contract are valued separately from the host instrument. A binomial lattice framework is used to estimate the fair value of the embedded derivative in the Series A Redeemable Convertible Preferred Stock issued by the Company in 2019. Refer to Notes 8 and 9 for additional information related to the embedded derivatives and their fair value measurements. 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. Refer to Note 11 for additional information. Fair Value of Financial Instruments The carrying value of cash and cash equivalents, restricted cash, accounts receivables and current liabilities approximates their fair values due to their short-term maturities. 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. Refer to Note 9 for additional information. 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 in the consolidated balance sheets. Refer to Note 12 for additional information. Engineering and Development Engineering and development costs are expensed as incurred and consist of labor, supplies, consulting and other costs related to developing and improving Printronix's products. Advertising Printronix expenses advertising costs, including promotional literature, brochures and trade shows, as incurred, and is included in sales and marketing expenses in the consolidated statements of operations. 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 currently one to four years. The fair value of restricted stock awards (“RSAs”) and restricted stock units (“RSUs”) are 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. Forfeitures are accounted for as they occur. Refer to Note 13 for additional information. Foreign Currency Gains and Losses In connection with our Printronix business, the U.S. dollar is the functional currency for all of the foreign subsidiaries. Transactions that are recorded in currencies other than the U.S. dollar may result in transaction gains or losses at the end of the reporting period and when trade receipts and payments occur. For these subsidiaries, the assets and liabilities have been re-measured at the end of the period for changes in exchange rates, except inventories and property, plant and equipment, which have been remeasured at historical average rates. The consolidated statements of operations have been reevaluated at average rates of exchange for the reporting period, except cost of sales and depreciation, which have been reevaluated at historical rates. All foreign currency exchange activity is recorded in the 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. GAAP, 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. The provision for income taxes for interim periods is determined using an estimate of Acacia’s annual effective tax rate, adjusted for discrete items, if any, that are taken into account in the relevant period. Each quarter, Acacia updates the estimate of the annual effective tax rate, and if the estimated tax rate changes, a cumulative adjustment is recorded. The Company’s effective tax rates were 17% and zero for the three months ended March 31, 2022 and 2021, respectively. Our income tax benefit for the three months ended March 31, 2022 primarily reflects the decrease in deferred tax liabilities attributable to the unrealized loss recorded in the period, and our income tax expense for the three months ended March 31, 2021 primarily relates to state taxes. The Company has recorded a partial valuation allowance against our net deferred tax assets as of March 31, 2022 and December 31, 2021. These assets primarily consist of foreign tax credits, capital loss carryforwards and net operating loss carryforwards. At March 31, 2022 and December 31, 2021, the Company had total unrecognized tax benefits of approximately $887,000. At March 31, 2022 and December 31, 2021, $110,000 of unrecognized tax benefits were recorded in other long-term liabilities and the remaining amount was included as an offset to deferred tax assets. No interest and penalties have been recorded for the unrecognized tax benefits for the periods presented. At March 31, 2022, if recognized, $887,000 of tax benefits would impact the Company’s effective tax rate. The Company does not expect that the liability for unrecognized tax benefits will change significantly within the next 12 months. Acacia recognizes interest and penalties with respect to unrecognized tax benefits in income tax expense/benefit. Acacia has identified no uncertain tax position for which it is reasonably possible that the total amount of unrecognized tax benefits will significantly increase or decrease within 12 months. Income/Loss Per Share For periods in which the Company generates net income, the Company computes basic net income per share 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 and Series A Redeemable Convertible Preferred Stock, are considered participating securities and are allocated a portion of the Company’s earnings. For periods in which the Company generates a net loss, net losses are not allocated to holders of the Company’s participating securities as the security holders are not contractually obligated to share in the Company’s losses. Basic net income/loss per share of common stock is computed by dividing net income/loss attributable to common stockholders by the weighted average number of shares of common stock outstanding for the period. Diluted net income/loss per share of common stock is computed by dividing net income/loss attributable to common stockholders by the weighted average number of common and dilutive common equivalent shares outstanding for the period using the treasury stock method or the as-converted method, or the two-class method for participating securities, whichever is more dilutive. Potentially dilutive common stock equivalents consist of stock options, restricted stock units, unvested restricted stock, Series A Redeemable Convertible Preferred Stock, Series A Warrants and Series B Warrants. Refer to Note 14 for additional information. Recent Accounting Pronouncements Not Yet Adopted In June 2016, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) No. 2016-13, “Financial Instruments—Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments,” to replace the incurred loss methodology with an expected credit loss model that requires consideration of a broader range of information to estimate credit losses over the lifetime of the asset, including current conditions and reasonable and supportable forecasts in addition to historical loss information, to determine expected credit losses. Pooling of assets with similar risk characteristics and the use of a loss model are also required. Also, in April 2019, the FASB issued ASU No. 2019-04, “Codification Improvements to Topic 326, Financial Instruments—Credit Losses, Topic 815, Derivatives and Hedging, and Topic 825, Financial Instruments,” to clarify the inclusion of recoveries of trade receivables previously written off when estimating an allowance for credit losses. The amendments in these updates will be effective for the Company on January 1, 2023, with early adoption permitted. Management is currently evaluating the impact that the amendments in these updates may have on the Company’s consolidated financial statements. In August 2020, the FASB issued ASU No. 2020-06, “Debt—Debt with Conversion and Other Options (Subtopic 470-20) and Derivatives and Hedging—Contracts in Entity’s Own Equity (Subtopic 815-40): Accounting for Convertible Instruments and Contracts in an Entity’s Own Equity,” to simplify the accounting for convertible instruments by eliminating large sections of the existing guidance in this area. It also eliminates several triggers for derivative accounting, including a requirement to settle certain contracts by delivering registered shares. This update reduces the number of accounting models for convertible instruments, revises the derivatives scope exception, and provides targeted improvements for earnings per share. Upon adoption, companies have the option to apply a modified or full retrospective transition approach. The amendments in this update will currently be effective for the Company on January 1, 2024, with early adoption permitted. Management is currently evaluating the impact that the amendments in this update may have on the Company’s consolidated financial statements. In October 2021, the FASB issued ASU No. 2021-08, “Business Combinations (Topic 805): Accounting for Contract Assets and Contract Liabilities from Contracts with Customers,” to require that an acquirer recognize and measure contract assets and contract liabilities acquired in a business combination in accordance with “Revenue from Contracts with Customers (Topic 606).” At the acquisition date, an acquirer should account for the related revenue contracts in accordance with Topic 606 as if it had originated the contracts. The amendments in this update should be applied prospectively and will be effective for the Company on January 1, 2023, with early adoption permitted. Management is currently evaluating the impact that the amendments in this update may have on the Company’s consolidated financial statements.

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