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The Company and its Significant Accounting Policies (Policies) | 12 Months Ended
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Dec. 31, 2023
The Company and its Significant Accounting Policies |
Description of Business | Description of Business Interlink Electronics, Inc. (“we,” “us,” “our,” “Interlink” or the “Company”) is a global sensor and printed electronics company operating in two principal sensor technology divisions: force/touch sensors, and gas and environmental sensors. We design, develop, manufacture and sell a range of force-sensing and gas-sensing technologies that incorporate our proprietary materials technology, firmware and software into a portfolio of standard sensor-based products and custom sensor system solutions. Our force-sensing products and solutions include sensor components, subassemblies, modules and products that support effective, efficient cursor control and novel three-dimensional user inputs. Our Human Machine Interface (“HMI”) technology platforms are deployed in a wide range of markets including consumer electronics, automotive, industrial, and medical. Our membrane keypads, graphic overlays, printed electronics and industrial label products are applicable for use in a wide range of fields, from industrial automation, process control and monitoring to medical and diagnostic devices and defense systems. Our electrochemical gas-sensing technology instruments, products and solutions are deployed in industry, community, health and home settings, with uses in fields such as carbon monoxide and ozone detection and air quality monitoring. We serve our world-wide customer base from our corporate headquarters in Irvine, California; our Global Product Development and Materials Science Center and distribution and logistics center in Camarillo, California; our printed-electronics manufacturing facilities in Shenzhen, China, and Irvine, Scotland; our advanced and proprietary production and product development facility in Newark, California; our engineering, research and development center in Singapore; our technical sales office in Japan; and our distribution and logistics center in Hong Kong. Our principal executive office is located at 15707 Rockfield Boulevard, Suite 105, Irvine, California 92618 and our telephone number is (805) 484-8855. Our website address is www.interlinkelectronics.com.
March 2024 Common Stock Dividend | March 2024 Common Stock Dividend On March 1, 2024, the Board of Directors declared a 50% common stock dividend with a record date of March 11, 2024, that was paid on March 22, 2024. Settlement of fractional share interests will be made by issuing one full share of common stock in lieu of a fractional share. Although the exact effect on common stock outstanding will depend on the number of fractional share settlements, the stock dividend is expected to increase the number of issued and outstanding shares of common stock from 6,573,570 to approximately 9,860,355. Except as otherwise noted, all references to common stock, common stock issuable upon conversion of preferred stock, and corresponding per share information throughout this Annual Report on Form 10-K have been retroactively adjusted to reflect the stock dividend, which is accounted for as a stock split effected in the form of a stock dividend.
Fiscal Year | Fiscal Year Our fiscal year is the calendar year reporting cycle beginning January 1 and ending December 31.
Basis of Presentation | Basis of Presentation The accompanying consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America (“GAAP”). Our reporting currency is the United States dollar. Our consolidated financial statements include the accounts of Interlink Electronics, Inc. and our subsidiaries in China, Hong Kong, Singapore, and the United Kingdom. All intercompany accounts and transactions were eliminated in consolidation.
Foreign Currency Translation | Foreign Currency Translation The functional currency of our Chinese subsidiary is the Chinese Yuan Renminbi. The functional currency for our Hong Kong, Singapore and United Kingdom subsidiaries is the United States dollar. However, our Hong Kong, Singapore, and United Kingdom subsidiaries also transact business in their local currency. Assets and liabilities are translated into United States dollars at the exchange rate in effect on the balance sheet date. Revenues and expenses are translated at the average exchange rate prevailing during the respective periods. Foreign currency transaction and remeasurement gains and losses are included in results of operations within other income (expense), net, for which gains of $3,000 and $121,000 were recorded in the years ended December 31, 2023 and 2022, respectively.
Segment Reporting | Segment Reporting We operate in one reportable segment: the manufacture and sale of force/touch - and gas/environmental-sensing technology solutions.
Use of Estimates | Use of Estimates The preparation of consolidated financial statements in accordance with GAAP requires management to make estimates and assumptions that affect the amounts reported in the consolidated financial statements and disclosures made in the accompanying notes to the consolidated financial statements. Management regularly evaluates estimates and assumptions related to revenue recognition, allowances for credit losses, inventory valuation reserves, warranty reserves, stock-based compensation, purchased intangible asset valuations and useful lives, asset retirement obligations, and deferred income tax asset valuation allowances. These estimates and assumptions are based on current facts, historical experience and various other factors that we believe to be reasonable under the circumstances, the results of which form the basis for making judgments about carrying values of assets and liabilities that are not readily apparent from other sources. The actual results we experience may differ materially and adversely from our original estimates. To the extent there are material differences between the estimates and the actual results, our future results of operations will be affected.
Revenue Recognition | Revenue Recognition The Company recognizes revenue in accordance with Accounting Standards Codification Topic 606, Revenue from Contracts with Customers (“ASC 606”), when its customer obtains control of promised goods or services, in an amount that reflects the consideration which we expect to receive in exchange for those goods or services. To determine revenue recognition for arrangements that are within the scope of ASC 606, we perform the following five steps; (i) identify the contract(s) with a customer; (ii) identify the performance obligations in the contract; (iii) determine the transaction price; (iv) allocate the transaction price to the performance obligations; and (v) recognize revenue when (or as) we satisfy a performance obligation. The five-step model is applied to contracts when it is probable that we will collect the consideration we are entitled to in exchange for the goods or services transferred to the customer. At contract inception, once the contract is determined to be within the scope of ASC 606, we assess the goods or services promised within each contract and determine those that are performance obligations and assess whether each promised good or service is distinct. We then recognize revenue in the amount of the transaction price that is allocated to the respective performance obligation when (or as) the performance obligation is satisfied. Delivery occurs when goods are shipped and title and risk of loss transfer to the customer, in accordance with the terms specified in the arrangement with the customer. Revenue recognition is deferred until the earnings process is complete. We (i) input orders based upon receipt of a customer purchase order, (ii) confirm pricing through the customer purchase order record, (iii) validate creditworthiness through past payment history, credit agency reports and other financial data, and (iv) recognize revenue upon shipment of goods or when risk of loss and title transfer to the buyer. All customers have warranty rights, and some customers also have explicit or implicit rights of return. We establish reserves for potential customer returns or warranty repairs based on historical experience and other factors that enable us to reasonably estimate the obligation. A portion of our product sales is made through distributors under agreements allowing for right of return. Our past history with these sell-through right of return provisions allow us to reasonably estimate the amount of inventory that could be returned pursuant to these agreements, and revenue is recognized accordingly.
Warranty | Warranty We establish reserves for future product warranty costs that are expected to be incurred pursuant to specific warranty provisions with our customers. We generally warrant our products against defects for one year from date of shipment, with certain exceptions in which the warranty period can extend to more than one year based on contractual agreements. Warranty claims charges are recorded within cost of revenue as claims are incurred and honored. At each reporting period, we adjust our reserve for warranty claims (as either a charge or benefit to cost of revenue) based on our actual warranty claims experience as a percentage of net revenue during the preceding 24 months, as an estimation of the total future warranty claims expected to be incurred and honored for goods sold through the end of the reporting period. We also consider the effect of known operations issues that may have an impact that differs from historical trends. Historically, our warranty returns have not been material.
Shipping and Handling Fees and Costs | Shipping and Handling Fees and Costs Amounts billed to customers for shipping and handling fees are classified in revenue. Costs incurred for shipping and handling are classified in cost of revenue.
Engineering, Research and Development Costs | Engineering, Research and Development Costs Engineering, research and development (“R&D”) costs are expensed when incurred. R&D expenses consist primarily of compensation expenses for employees engaged in research, design and development activities. R&D expenses also include depreciation and amortization, and overhead, including facilities expenses.
Advertising and Marketing Costs | Advertising and Marketing Costs All of the costs related to advertising and marketing our products are expensed as incurred or at the time the marketing takes place.
Stock-Based Compensation | Stock-based Compensation All stock-based payments to employees, including grants of employee stock options and employee stock purchase rights, are recognized in the financial statements based on their respective grant date (measurement date) fair values. We calculate the compensation cost of full-value awards such as restricted stock-based on the market value of the underlying stock at the date of the grant. We estimate the expected life of a stock award as the period of time that the award is expected to be outstanding. We are required to estimate the fair value of stock-based payment awards on the date of grant using an option-pricing model. The value of the portion of the award that is ultimately expected to vest is recognized as expense ratably over the requisite service periods. We estimate the fair value of each option award as of the date of grant using the Black-Scholes option pricing model, which was developed for use in estimating the value of traded options that have no vesting restrictions and that are freely transferable. The Black-Scholes option pricing model considers, among other factors, the expected life of the award and the expected volatility of our stock price. Although the Black-Scholes option pricing model meets the accounting guidance requirements, the fair values generated by the Black-Scholes option pricing model may not be indicative of the actual fair values of our awards, as it does not consider other factors important to those stock-based payment awards, such as continued employment, periodic vesting requirements, and limited transferability. We have elected to recognize compensation expense for all stock-based awards on a straight-line basis over the requisite service period for the entire award. The amount of compensation expense recognized through the end of each reporting period is equal to the portion of the grant-date value of the awards that have vested, or for partially vested awards, the value of the portion of the award that is ultimately expected to vest for which the requisite services have been provided. The benefits of tax deductions in excess of recognized compensation cost are reported as a financing cash flow.
Other Income (Expense), Net | Other Income (Expense), Net Other income (expense), net, consists of interest income, foreign currency exchange gains and losses, gains and losses on marketable securities, and other non-operating income and expenses.
Income Taxes | Income Taxes We account for income taxes under the asset and liability method, whereby deferred tax assets and liabilities are recognized for the future tax consequences attributable to differences between the financial statement carrying amounts of existing assets and liabilities and their respective tax basis and operating loss and tax credit carryforwards. We assess the likelihood that our deferred tax assets will be recovered from future taxable income and to the extent we believe that recovery is not determinable beyond a “more likely than not” standard, we establish a valuation allowance. To the extent we establish a valuation allowance or increase or decrease this allowance in a period, we include an expense or benefit within the tax provision in the statement of operations. We also utilize a “more likely than not” recognition threshold and measurement analysis for the financial statement recognition and measurement of a tax position taken or expected to be taken in a tax return. We recognize potential accrued interest and penalties related to unrecognized tax benefits within the consolidated statements of operations as income tax expense. We operate within multiple tax jurisdictions and are subject to audit in these jurisdictions. Our foreign subsidiaries are subject to foreign income taxes on earnings in their respective jurisdictions. Earnings of our foreign subsidiaries are included in our U.S. federal income tax return as they are earned.
Comprehensive Income (Loss) | Comprehensive Income (Loss) Comprehensive income (loss) includes all components of comprehensive income (loss), including net income (loss) and any changes in equity during the period from transactions and other events and circumstances generated by non-owner sources.
Earnings Per Share | Earnings Per Share Basic earnings per share is computed by dividing net income (loss) applicable to common stockholders (i.e., net income (loss) adjusted for preferred stock dividends declared or accumulated) by the weighted average number of common shares outstanding during the period. Diluted earnings per share is computed by dividing net income (loss) applicable to common stockholders by the weighted average number of diluted common shares, which includes common stock equivalents from, if applicable, and if dilutive, unexercised stock options, unvested restricted stock units, and shares issuable upon conversion of convertible preferred stock. Unexercised stock options and unvested restricted stock units are considered to be common stock equivalents if, using the treasury stock method, they are determined to be dilutive. Convertible preferred stock is considered to be common stock equivalents if, using the if-converted method, they are determined to be dilutive. Under the two-class method of determining earnings for each class of stock, we consider the dividend rights and participating rights in undistributed earnings for each class of stock.
Leases | Leases The Company accounts for its leases under ASC 842. Under this guidance, arrangements meeting the definition of a lease are classified as operating or financing leases and are recorded on the consolidated balance sheet as both a right-of-use asset and lease liability, calculated by discounting fixed lease payments over the lease term at the rate implicit in the lease or the Company’s incremental borrowing rate. Lease liabilities are increased by interest and reduced by payments each period, and the right-of-use asset is amortized over the lease term. For finance leases, interest on the lease liability and the amortization of the right-of-use asset results in front-loaded expense over the lease term. Variable lease expenses are recorded when incurred. In calculating the right-of-use and lease liability, the Company has elected to combine lease and non-lease components. The Company excludes short-term leases having initial term of 12 months or less from the new guidance as an accounting policy election and recognizes rent expense on a straight-line basis over the lease term.
Risk and Uncertainties | Risk and Uncertainties Our future results of operations involve a number of risks and uncertainties. Factors that could affect our business or future results and cause actual results to vary materially from historical results include, but are not limited to, the rapid change in our industry; problems with the performance, reliability or quality of our products; loss of customers; impacts of doing business internationally, including foreign currency fluctuations, changes in the trade policies of countries in which we or our customers do business, and political instability; potential shortages of the supplies we use to manufacture our products; disruptions in our manufacturing facilities; changes in environmental directives impacting our manufacturing process or product lines; the development of new proprietary technology and the enforcement of intellectual property rights by or against us; our ability to attract and retain qualified employees; and our ability to raise additional capital. Our operations and financial results may be adversely affected by outbreaks of viruses, widespread illness, infectious diseases, contagions and unforeseen epidemics (such as the COVID-19 coronavirus) in countries in which our products are manufactured and sold. We experienced delays in the receipt of certain goods and the supply of our products from international and domestic shipping origins as a result of the COVID-19 pandemic and more general global supply chain constraints in fiscal 2021, and to a lesser extent in fiscal 2022 and 2023. Depending on the continued extent and duration of these and similar constraints and disruptions, our supply chain, results of operations (including sales) or future business may be materially and adversely impacted. These and other issues affecting our international suppliers or internationally manufactured merchandise could have a material adverse effect on our business, results of operations and financial condition.
Cash, Cash Equivalents and Restricted Cash | Cash, Cash Equivalents and Restricted Cash We invest excess cash in highly liquid interest-bearing instruments, including commercial paper or money market accounts. Investments with original maturity dates less than 90 days are classified as cash equivalents. Cash that is reserved for a specific purpose and therefore not available for immediate or general business use is classified as restricted cash. All of our cash, cash equivalents and restricted cash are held at major financial institutions in the United States, China, Hong Kong and Singapore. Our balances in each country were insured at the maximum limit determined by each country. In the U.S., we had approximately $94,000 and $8.4 million in excess of the Federal Deposit Insurance Corporation limit of $250,000 per depositor, per insured bank at December 31, 2023 and 2022, respectively. Approximately $1.1 million and $0.7 million held in banks in China at December 31, 2023 and 2022, respectively, was not insured. Approximately $132,000 and $168,000 held in banks in Singapore at December 31, 2023 and 2022, respectively, was not insured. Approximately $40,000 and $63,000 held in banks in Hong Kong at December 31, 2023 and 2022, respectively, was not insured. Approximately $1.1 million held in banks in the United Kingdom at December 31, 2023 was not insured.
Accounts Receivable and Allowance for Credit Losses | Accounts Receivable and Allowance for Credit Losses Accounts receivable are recorded at the invoice amount and presented net of the allowance for credit losses. Our receivables do not bear interest. We evaluate the collectability of accounts receivable at each balance sheet date using a combination of factors, such as specific customer historical experience and credit quality, overall historical data, age of the accounts receivable balances, and economic conditions that may affect a customer’s ability to pay. We include any accounts receivable balances that are determined to be uncollectible in the overall allowance for credit losses using the specific identification method. After all attempts to collect a receivable have failed, the receivable is written off against the allowance.
Inventories | Inventories Inventories are stated at the lower of cost or net realizable value (“NRV”). Inventory costs are determined using standard costs which approximate actual costs under the first-in, first-out method. Costs include the costs of purchased materials and outsourced assembly. NRV is the amount by which the estimated selling price of the product exceeds the sum of any additional costs expected to be incurred on the sale of such product in the ordinary course of business. We evaluate inventories for excess quantities and obsolescence. Our evaluation considers market and economic conditions; technology changes; new product introductions; and changes in strategic business direction. Estimates by their very nature include elements that are uncertain. In order to state the inventory at the lower of cost or NRV, we maintain reserves against individual stocking units Inventory reserves, once established, are not reversed until the related inventories have been sold or scrapped. If future demand or market conditions are less favorable than our projections, a write-down of inventory may be required, and would be reflected in cost of revenues sold in the period the revision is made.
Property, Plant and Equipment, Net | Property, Plant and Equipment, Net Property, plant and equipment are carried at cost less accumulated depreciation and amortization. Depreciation and amortization expense are calculated using the straight-line method over the assets’ remaining estimated useful lives, ranging from two to five years for machinery and equipment, including product tooling; and the shorter of the lease terms or estimated useful lives for leasehold improvements. When property, plant and equipment is retired or otherwise disposed of, the related cost and accumulated depreciation are removed from the accounts. Gains and losses from retirements and asset disposals are recorded in selling, general and administrative expenses. Repairs and maintenance on our property, plant and equipment are expensed in the period incurred. We perform periodic reviews to evaluate the recoverability of property, plant and equipment and to determine whether facts and circumstances exist that would indicate that the carrying amounts of property, plant and equipment exceed their fair values. If facts and circumstances indicate that the carrying amount of property, plant and equipment might not be fully recoverable, projected undiscounted net cash flows associated with the related asset or group of assets over their estimated remaining useful lives are compared against their respective carrying amounts. In the event that the projected undiscounted cash flows are not sufficient to recover the carrying value of the assets, the assets are written down to their estimated fair values. All long-lived assets to be disposed of are reported at the lower of carrying amount or fair market value, less expected selling costs.
Intangible Assets, Net | Intangible Assets, Net Our intangible assets consist primarily of patents and trademarks and are carried at cost less accumulated amortization. We evaluate our finite-lived assets for impairment whenever events or changes in circumstances indicate the carrying value of an intangible asset or asset group may not be recoverable. The carrying value of an intangible asset or asset group is not recoverable if the amount of undiscounted future cash flows the assets are expected to generate (including any net proceeds expected from the disposal of the asset) are less than its carrying value. When we identify that an impairment has occurred, we reduce the carrying value of the asset to its comparable market value (if available and appropriate) or to its estimated fair value based on a discounted cash flow approach. As of December 31, 2023, we have not recognized any impairment losses for our intangible assets.
Goodwill | Goodwill Goodwill arises from business combinations and is generally determined as the excess of the fair value of the consideration transferred, plus the fair value of any noncontrolling interests in the acquiree, over the fair value of the net assets acquired and liabilities assumed as of the acquisition date. Goodwill acquired in a purchase business combination is determined to have an indefinite useful life and is not amortized but is tested for impairment at least annually or more frequently in events and circumstances exist that indicate that a goodwill impairment test should be performed. We have selected December 31 as the date to perform the annual impairment test. As of December 31, 2023, we have not recognized any impairment losses for our goodwill.
Fair Value Measurements | Fair Value Measurements We determine fair value measurements based on the assumptions that market participants would use in pricing the asset or liability. As a basis for considering market participant assumptions in fair value measurements, we follow the following fair value hierarchy that distinguishes between (1) market participant assumptions developed based on market data obtained from independent sources (observable inputs) and (2) our own assumptions about market participant assumptions developed based on the best information available in the circumstances (unobservable inputs): Level 1: Observable inputs such as quoted prices for identical assets or liabilities in active markets; Level 2: Other inputs observable directly or indirectly, such as quoted prices for similar assets or liabilities or market-corroborate inputs; and Level 3: Unobservable inputs for which there is little or no market data and which requires the owner of the assets or liabilities to develop its own assumptions about how market participants would price these assets or liabilities. Our assessment of the significance of a particular input to the fair value measurement requires judgment and may affect the valuation of assets and liabilities and their placement within the fair value hierarchy.
Recently Issued Accounting Pronouncements | Recently Issued Accounting Pronouncements We reviewed all recently issued accounting pronouncements and concluded they are not applicable or not expected to be material to our financial statements.
Subsequent Events | Subsequent Events The Company has evaluated subsequent events through March 25, 2024, being the date these consolidated financial statements were issued.

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