[PART I -- FINANCIAL INFORMATION](index=2&type=section&id=PART%20I%20--%20FINANCIAL%20INFORMATION) This section presents the company's unaudited financial statements, management's discussion and analysis, and disclosures on market risk and internal controls [Item 1. Financial Statements (unaudited)](index=3&type=section&id=Item%201.%20Financial%20Statements%20(unaudited)) This section presents the unaudited condensed consolidated financial statements, including balance sheets, statements of operations, comprehensive income (loss), and cash flows, along with detailed notes explaining the company's business, significant accounting policies, and specific financial components [Condensed Consolidated Balance Sheets](index=3&type=section&id=Condensed%20Consolidated%20Balance%20Sheets) This statement provides a snapshot of the company's assets, liabilities, and stockholders' equity at specific points in time Condensed Consolidated Balance Sheets | ASSETS (in thousands) | March 31, 2021 | December 31, 2020 | | :---------------------- | :------------- | :---------------- | | Cash and cash equivalents | $6,098 | $6,120 | | Accounts receivable, net | $970 | $1,113 | | Inventories | $881 | $866 | | Total current assets | $8,291 | $8,496 | | Total assets | $9,718 | $10,022 | | **LIABILITIES AND STOCKHOLDERS' EQUITY** | | | | Accounts payable | $286 | $235 | | Accrued liabilities | $295 | $343 | | PPP loan payable | $— | $186 | | Total current liabilities | $829 | $1,042 | | Total liabilities | $928 | $1,182 | | Total stockholders' equity| $8,790 | $8,840 | | Total liabilities and stockholders' equity | $9,718 | $10,022 | [Condensed Consolidated Statements of Operations](index=4&type=section&id=Condensed%20Consolidated%20Statements%20of%20Operations) This statement details the company's revenues, expenses, and net loss over specific reporting periods Condensed Consolidated Statements of Operations | (in thousands, except per share data) | Three months ended March 31, 2021 | Three months ended March 31, 2020 | | :------------------------------------ | :-------------------------------- | :-------------------------------- | | Revenue, net | $1,568 | $1,691 | | Cost of revenue | $694 | $732 | | Gross profit | $874 | $959 | | Total operating expenses | $934 | $1,031 | | (Loss) from operations | $(60) | $(72) | | (Loss) before income taxes | $(50) | $(66) | | Net (loss) | $(43) | $(18) | | Earnings (loss) per share – basic and diluted | $(0.01) | $(0.00) | [Condensed Consolidated Statements of Comprehensive Income (Loss)](index=4&type=section&id=Condensed%20Consolidated%20Statements%20of%20Comprehensive%20Income%20(Loss)) This statement presents the net loss and other comprehensive income (loss) components for the reporting periods Condensed Consolidated Statements of Comprehensive Income (Loss) | (in thousands) | Three months ended March 31, 2021 | Three months ended March 31, 2020 | | :---------------------------------- | :-------------------------------- | :-------------------------------- | | Net (loss) | $(43) | $(18) | | Foreign currency translation adjustments | $(12) | $(20) | | Comprehensive (loss) | $(55) | $(38) | [Condensed Consolidated Statements of Cash Flows](index=5&type=section&id=Condensed%20Consolidated%20Statements%20of%20Cash%20Flows) This statement summarizes the cash inflows and outflows from operating, investing, and financing activities Condensed Consolidated Statements of Cash Flows | (in thousands) | Three months ended March 31, 2021 | Three months ended March 31, 2020 | | :---------------------------------------------- | :-------------------------------- | :-------------------------------- | | Net cash provided by (used in) operating activities | $(1) | $263 | | Net cash used in investing activities | $(12) | $(34) | | Net cash provided by financing activities | $— | $— | | Net increase (decrease) in cash and cash equivalents | $(22) | $209 | | Cash, cash equivalents and restricted cash, end of period | $6,103 | $6,053 | [Notes to Condensed Consolidated Financial Statements](index=6&type=section&id=Notes%20to%20Condensed%20Consolidated%20Financial%20Statements) This section provides detailed explanations and additional information supporting the condensed consolidated financial statements [NOTE 1 – THE COMPANY AND ITS SIGNIFICANT ACCOUNTING POLICIES](index=6&type=section&id=NOTE%201%20%E2%80%93%20THE%20COMPANY%20AND%20ITS%20SIGNIFICANT%20ACCOUNTING%20POLICIES) This note describes the company's business, its core technologies, global operations, and significant accounting policies - Interlink Electronics, Inc. designs, develops, manufactures, and sells **force-sensing technologies**, including sensor components, subassemblies, modules, and products for cursor control and 3D user inputs. Its **Human Machine Interface (HMI) technology** platforms are used in consumer electronics, automotive, industrial, and medical markets[18](index=18&type=chunk) - The company operates globally with headquarters in Irvine, California, a Global Product Development and Materials Science Center in Camarillo, California (expected May **2021**), an **IoT application development center** in Singapore, a manufacturing facility in Shenzhen, China, and a distribution center in Hong Kong[19](index=19&type=chunk) - Key accounting policies include revenue recognition (ASC **606**), warranty reserves, expensing R&D and marketing costs, stock-based compensation using Black-Scholes, asset and liability method for income taxes, and accounting for leases under ASC **842**[26](index=26&type=chunk)[32](index=32&type=chunk)[36](index=36&type=chunk)[39](index=39&type=chunk)[46](index=46&type=chunk) - The company faces risks including rapid industry change, product performance/quality issues, customer loss, international business impacts (e.g., foreign currency), supply shortages, manufacturing disruptions, environmental directives, intellectual property, ability to attract/retain employees, and ability to raise capital. Public health threats like COVID-19 could also adversely affect operations[48](index=48&type=chunk)[49](index=49&type=chunk) [NOTE 2 – DETAILS OF CERTAIN FINANCIAL STATEMENT COMPONENTS](index=11&type=section&id=NOTE%202%20%E2%80%93%20DETAILS%20OF%20CERTAIN%20FINANCIAL%20STATEMENT%20COMPONENTS) This note provides a breakdown of specific balance sheet items such as inventories, property, plant and equipment, and intangible assets Inventories (in thousands) | Inventories (in thousands) | March 31, 2021 | December 31, 2020 | | :------------------------- | :------------- | :---------------- | | Raw materials | $555 | $520 | | Work-in-process | $229 | $246 | | Finished goods | $97 | $100 | | Total inventories | $881 | $866 | Property, plant and equipment, net (in thousands) | Property, plant and equipment, net (in thousands) | March 31, 2021 | December 31, 2020 | | :------------------------------------------------ | :------------- | :---------------- | | Furniture, machinery and equipment | $1,661 | $1,662 | | Leasehold improvements | $544 | $538 | | Less: accumulated depreciation | $(1,841) | $(1,793) | | Total property, plant and equipment, net | $364 | $407 | Intangible assets, net (in thousands) | Intangible assets, net (in thousands) | March 31, 2021 | December 31, 2020 | | :------------------------------------ | :------------- | :---------------- | | Patents and trademarks | $658 | $658 | | Less: accumulated amortization | $(479) | $(463) | | Total intangible assets, net | $179 | $195 | - Depreciation expense was **$54 thousand** for Q1 **2021**, down from **$59 thousand** in Q1 **2020**. Amortization expense was **$17 thousand** for Q1 **2021**, up from **$13 thousand** in Q1 **2020**[54](index=54&type=chunk)[55](index=55&type=chunk) [NOTE 3 – STOCK-BASED COMPENSATION](index=12&type=section&id=NOTE%203%20%E2%80%93%20STOCK-BASED%20COMPENSATION) This note details the company's stock-based compensation plans and outstanding awards - As of March **31**, **2021**, there were **no stock-based compensation awards outstanding** under the **2016** Omnibus Incentive Plan[59](index=59&type=chunk) [NOTE 4 – EARNINGS PER SHARE](index=12&type=section&id=NOTE%204%20%E2%80%93%20EARNINGS%20PER%20SHARE) This note presents the calculation of basic and diluted earnings per share for the reporting periods Earnings Per Share | (in thousands, except per share data) | Three Months Ended March 31, 2021 | Three Months Ended March 31, 2020 | | :------------------------------------ | :-------------------------------- | :-------------------------------- | | Net income (loss) | $(43) | $(18) | | Weighted average outstanding shares of common stock | 6,601 | 6,563 | | Dilutive potential common shares from stock options and restricted stock units | — | 35 |\ | Common stock and common stock equivalents | 6,601 | 6,598 | | Earnings (loss) per share, basic and diluted | $(0.01) | $(0.00) | [NOTE 5 – SIGNIFICANT CUSTOMERS, CONCENTRATION OF CREDIT RISK AND GEOGRAPHIC INFORMATION](index=13&type=section&id=NOTE%205%20%E2%80%93%20SIGNIFICANT%20CUSTOMERS,%20CONCENTRATION%20OF%20CREDIT%20RISK%20AND%20GEOGRAPHIC%20INFORMATION) This note identifies major customers, assesses credit risk concentration, and provides geographic revenue and asset breakdowns Net revenues from customers >= 10% of total net revenues | Net revenues from customers >= 10% of total net revenues | | :------------------------------------------------------- | | **Three months ended March 31, 2021:** | | Customer A: 29% | | Customer B: 17% | | **Three months ended March 31, 2020:** | | Customer A: 11% | | Customer B: 10% | | Customer C: 24% | Net revenues by geographic area (in thousands) | Net revenues by geographic area (in thousands) | Three months ended March 31, 2021 | Three months ended March 31, 2020 | | :--------------------------------------------- | :-------------------------------- | :-------------------------------- | | United States | $270 | $742 | | Asia and Middle East | $1,112 | $771 | | Europe and other | $186 | $178 | | Revenue, net | $1,568 | $1,691 | Long-lived assets geographically located (in thousands) | Long-lived assets geographically located (in thousands) | March 31, 2021 | December 31, 2020 | | :------------------------------------------------------ | :------------- | :---------------- | | United States | $1,154 | $1,194 | | Asia | $273 | $332 | | Total long-lived assets | $1,427 | $1,526 | - At March **31**, **2021**, two customers accounted for **46%** and **12%** of total accounts receivable, respectively. The allowance for doubtful accounts was **$0** at both March **31**, **2021** and December **31**, **2020**[64](index=64&type=chunk) [NOTE 6 - RELATED PARTY TRANSACTIONS](index=14&type=section&id=NOTE%206%20-%20RELATED%20PARTY%20TRANSACTIONS) This note discloses transactions and balances with entities controlled by the company's Chairman, President, and CEO - **Interlink Electronics**, **Qualstar Corporation**, and **BKF Capital Group** are **related parties**, all controlled by **Steven N. Bronson** (Chairman, President, and CEO of Interlink). They share facilities and provide consulting services to each other[66](index=66&type=chunk)[67](index=67&type=chunk) Transactions with Qualstar (in thousands) | Transactions with Qualstar (in thousands) | Due from Qualstar (2021) | Due to Qualstar (2021) | Due from Qualstar (2020) | Due to Qualstar (2020) | | :---------------------------------------- | :----------------------- | :--------------------- | :----------------------- | :--------------------- | | Balance at January 1, | $52 | $34 | $24 | $12 | | Billed (or accrued) to Qualstar by Interlink | $208 | $— | $128 | $— | | Paid by Qualstar to Interlink | $(145) | $— | $(151) | $— | | Billed (or accrued) to Interlink by Qualstar | $— | $31 | $— | $33 | | Paid by Interlink to Qualstar | $— | $(58) | $— | $(38) | | Balance at March 31, | $115 | $7 | $1 | $7 | - For the three months ended March **31**, **2021**, BKF Capital paid Interlink **$2 thousand**, while Interlink paid BKF Capital **$0**[67](index=67&type=chunk) [NOTE 7 – INCOME TAXES](index=14&type=section&id=NOTE%207%20%E2%80%93%20INCOME%20TAXES) This note explains the company's income tax benefit, effective tax rates, and the impact of net operating loss limitations - Income tax benefit as a percentage of income before income taxes was **14.0%** for Q1 **2021**, compared to **72.7%** for Q1 **2020**. The **income tax benefit** in both periods resulted from **operating losses**[68](index=68&type=chunk)[113](index=113&type=chunk) - All remaining federal and state Net Operating Losses (NOLs) as of March **31**, **2021**, are **subject to annual limitations due to an ownership change under IRC Section 382** in February **2010**[69](index=69&type=chunk) [NOTE 8 – PAYCHECK PROTECTION PROGRAM LOAN](index=16&type=section&id=NOTE%208%20%E2%80%93%20PAYCHECK%20PROTECTION%20PROGRAM%20LOAN) This note describes the company's PPP loan, its forgiveness, and the accounting treatment - The company received a **$186 thousand** Paycheck Protection Program (PPP) loan in Q2 **2020**, which was **fully forgiven** in February **2021**. The forgiveness was recorded as a contra-expense within selling, general and administrative expense[71](index=71&type=chunk) [NOTE 9 – COMMITMENTS AND CONTINGENCIES](index=16&type=section&id=NOTE%209%20%E2%80%93%20COMMITMENTS%20AND%20CONTINGENCIES) This note outlines the company's lease liabilities, operating lease costs, legal proceedings, warranty obligations, and executive employment agreements Lease Liabilities (in thousands) | Lease Liabilities (in thousands) | March 31, 2021 | December 31, 2020 | | :------------------------------- | :------------- | :---------------- | | Current lease liabilities | $195 | $219 | | Long-term lease liabilities | $99 | $140 | | Right-of-use assets | $272 | $334 | Operating Lease Costs (in thousands) | Operating Lease Costs (in thousands) | Three months ended March 31, 2021 | Three months ended March 31, 2020 | | :----------------------------------- | :-------------------------------- | :-------------------------------- |\ | Included in cost of revenue | $30 | $24 |\ | Included in operating expenses | $52 | $35 |\ | Total operating lease costs | $82 | $59 | - The company is **not party to any legal proceedings** as of March **31**, **2021**. **Warranty returns have historically not been material**[84](index=84&type=chunk)[85](index=85&type=chunk) - The employment agreement with CEO Steven N. Bronson includes severance and change in control obligations, such as a **severance payment equal to twelve months of base compensation and immediate full vesting of unvested equity/options** under certain termination or change in control events[88](index=88&type=chunk)[89](index=89&type=chunk) [Item 2. Management's Discussion and Analysis of Financial Condition and Results of Operations](index=18&type=section&id=Item%202.%20Management's%20Discussion%20and%20Analysis%20of%20Financial%20Condition%20and%20Results%20of%20Operations) This section provides management's perspective on the company's financial condition and results of operations, including an overview of the business, critical accounting policies, detailed analysis of revenue and expenses, and discussion of liquidity and capital resources [Overview](index=20&type=section&id=Overview) This section provides a general description of the company's business, technology, and market strategy - Interlink Electronics designs, develops, manufactures, and sells **force-sensing technologies**, including sensor components, subassemblies, modules, and products for cursor control and 3D user inputs. Its **HMI technology** platforms are deployed in consumer electronics, automotive, industrial, and medical markets[94](index=94&type=chunk) - The company is a leader in printed electronics, having invented and commercialized **Force-Sensing Resistor (FSR®) technology**, which differentiates its HMI solutions through extensive knowledge and firmware integration[95](index=95&type=chunk)[96](index=96&type=chunk) - Interlink is expanding its standard product portfolio and developing new technology platforms, including hybrid solutions combining force sensing with capacitive technologies, to address market demand for smaller, thinner devices, lower power consumption, and multi-modal HMI in various sectors, including IoT[97](index=97&type=chunk)[99](index=99&type=chunk) [Critical Accounting Policies and Estimates](index=21&type=section&id=Critical%20Accounting%20Policies%20and%20Estimates) This section discusses the accounting policies and estimates that require significant management judgment - There have been **no material changes** to the company's critical accounting policies and estimates as described in its Annual Report on Form **10-K** filed on March **17**, **2021**[102](index=102&type=chunk) [Recently Issued and Adopted Accounting Pronouncements](index=21&type=section&id=Recently%20Issued%20and%20Adopted%20Accounting%20Pronouncements) This section addresses the impact of new accounting standards on the company's financial statements - Recently issued accounting pronouncements are **not applicable or not expected to be material** to the company's financial statements[52](index=52&type=chunk)[103](index=103&type=chunk) [Results of Operations](index=22&type=section&id=Results%20of%20Operations) This section analyzes the company's revenues, gross profit, and operating expenses for the reporting periods [Comparison of Three Months Ended March 31, 2021 and 2020](index=22&type=section&id=Comparison%20of%20Three%20Months%20Ended%20March%2031,%202021%20and%202020) This section provides a detailed comparative analysis of financial performance for the specified three-month periods Comparison of Three Months Ended March 31, 2021 and 2020 | (in thousands, except percentages) | 2021 Amount | 2021 % of Net Revenue | 2020 Amount | 2020 % of Net Revenue | $ Change | % Change | | :--------------------------------- | :---------- | :-------------------- | :---------- | :-------------------- | :------- | :------- | | Revenue, net | $1,568 | 100.0% | $1,691 | 100.0% | $(123) | (7.3)% | | Cost of revenue | $694 | 44.3% | $732 | 43.3% | | | | Gross profit | $874 | 55.7% | $959 | 56.7% | $(85) | (8.9)% | | Engineering, research and development | $217 | 13.8% | $285 | 16.9% | $(68) | (23.9)% | | Selling, general and administrative | $717 | 45.7% | $746 | 44.1% | $(29) | (3.9)% | | Income (loss) from operations | $(60) | (3.8)% | $(72) | (4.3)% | | | | Net income (loss) | $(43) | (2.7)% | $(18) | (1.1)% | | | Revenue, net by market (in thousands, except percentages) | Revenue, net by market (in thousands, except percentages) | 2021 Amount | 2021 % of Net Revenue | 2020 Amount | 2020 % of Net Revenue | $ Change | % Change | | :-------------------------------------------------------- | :---------- | :-------------------- | :---------- | :-------------------- | :------- | :------- | | Industrial | $538 | 34.3% | $392 | 23.2% | $146 | 37.2% | | Medical | $43 | 2.7% | $404 | 23.9% | $(361) | (89.4)% | | Consumer | $449 | 28.6% | $187 | 11.1% | $262 | 140.1% | | Standard | $538 | 34.3% | $708 | 41.8% | $(170) | (24.0)% | | Revenue, net | $1,568 | 100.0% | $1,691 | 100.0% | $(123) | (7.3)% | - **Industrial revenue increased** due to higher purchasing volume from existing product lines. **Consumer revenue increased** due to higher purchase levels on corresponding products and programs. **Medical revenue decreased significantly** due to reduced shipments to a major customer, impacted by COVID-19 restrictions on hospital device installations. **Standard product revenue decreased** due to cyclical purchasing patterns of larger customers who took bulk deliveries in **2020**[108](index=108&type=chunk) - **Engineering and R&D costs decreased by 23.9%** due to reduced costs and headcount at the Singapore R&D center as part of a transfer to Camarillo, California. **Selling, general and administrative expenses decreased by 3.9%** due to the **$186 thousand** PPP loan forgiveness, partially offset by increases in personnel, legal costs, and filing fees for Nasdaq relisting[111](index=111&type=chunk)[112](index=112&type=chunk) [Liquidity and Capital Resources](index=24&type=section&id=Liquidity%20and%20Capital%20Resources) This section discusses the company's ability to meet its short-term and long-term financial obligations and funding sources Financial Position (in millions) | Financial Position (in millions) | March 31, 2021 | | :------------------------------- | :------------- | | Cash and cash equivalents | $6.1 | | Working capital | $7.5 | | Indebtedness | $0 | - The company's **$186 thousand** PPP loan was **fully forgiven** in February **2021**, eliminating this debt[116](index=116&type=chunk) - Management believes existing cash and cash equivalents are **sufficient for current operations**. However, if additional cash is needed, the company may seek equity, equity-linked, or debt financing, which could **dilute existing stockholders or impose restrictive covenants**[117](index=117&type=chunk) [Cash Flow Analysis](index=25&type=section&id=Cash%20Flow%20Analysis) This section examines the sources and uses of cash from operating, investing, and financing activities [Net Cash Provided by Operating Activities](index=25&type=section&id=Net%20Cash%20Provided%20by%20Operating%20Activities) This section analyzes cash generated or used by the company's core business operations Cash Flow from Operating Activities (in thousands) | Cash Flow from Operating Activities (in thousands) | Three Months Ended March 31, 2021 | Three Months Ended March 31, 2020 | | :------------------------------------------------- | :-------------------------------- | :-------------------------------- | | Net cash provided by (used in) operating activities | $(1) | $263 | - Operating activities used **$1 thousand** cash in Q1 **2021**, primarily due to a **net loss of $43 thousand** and a **non-cash gain on PPP loan forgiveness of $186 thousand**, partially offset by non-cash charges of **$136 thousand** and cash provided by changes in operating assets and liabilities of **$92 thousand**[120](index=120&type=chunk) - Accounts receivable **decreased from $1,113 thousand to $970 thousand**, while inventories **increased from $866 thousand to $881 thousand**. Prepaid expenses and other current assets decreased, and accounts payable and accrued liabilities slightly increased[122](index=122&type=chunk) [Net Cash Used in Investing Activities](index=25&type=section&id=Net%20Cash%20Used%20in%20Investing%20Activities) This section details cash flows related to the acquisition and disposal of long-term assets Cash Flow from Investing Activities (in thousands) | Cash Flow from Investing Activities (in thousands) | Three Months Ended March 31, 2021 | Three Months Ended March 31, 2020 | | :------------------------------------------------- | :-------------------------------- | :-------------------------------- | | Net cash used in investing activities | $(12) | $(34) | - Investing activities used **$12 thousand** in Q1 **2021** for purchases of property, plant, and equipment, compared to **$34 thousand** in Q1 **2020** for legal costs related to patenting new products and processes[123](index=123&type=chunk) [Net Cash Provided by Financing Activities](index=25&type=section&id=Net%20Cash%20Provided%20by%20Financing%20Activities) This section describes cash flows from debt, equity, and dividend transactions - There was **no cash provided by or used in financing activities** during the three months ended March **31**, **2021**, or March **31**, **2020**[124](index=124&type=chunk) [Off-Balance Sheet Arrangements](index=25&type=section&id=Off-Balance%20Sheet%20Arrangements) This section discloses any financial arrangements not recorded on the balance sheet that could impact the company's financial condition - The company does not have any **off-balance sheet arrangements**[125](index=125&type=chunk) [Item 3. Quantitative and Qualitative Disclosures about Market Risk](index=25&type=section&id=Item%203.%20Quantitative%20and%20Qualitative%20Disclosures%20about%20Market%20Risk) This section states that quantitative and qualitative disclosures about market risk are not applicable to the company - This item is **not applicable**[126](index=126&type=chunk) [Item 4. Controls and Procedures](index=25&type=section&id=Item%204.%20Controls%20and%20Procedures) This section details the evaluation of the company's disclosure controls and procedures and reports on any changes in internal controls over financial reporting [Evaluation of Disclosure Controls and Procedures](index=25&type=section&id=Evaluation%20of%20Disclosure%20Controls%20and%20Procedures) This section assesses the effectiveness of the company's disclosure controls and procedures - As of March **31**, **2021**, management, with the participation of the CEO and CFO, concluded that the company's **disclosure controls and procedures were designed at a reasonable assurance level and were effective**[128](index=128&type=chunk) [Changes in Internal Controls over Financial Reporting](index=26&type=section&id=Changes%20in%20Internal%20Controls%20over%20Financial%20Reporting) This section reports on any material changes in the company's internal controls over financial reporting - There was **no change in internal control over financial reporting** during the period ended March **31**, **2021**, that materially affected, or is reasonably likely to materially affect, the company's internal control over financial reporting[129](index=129&type=chunk) [Limitations on Effectiveness of Controls and Procedures](index=26&type=section&id=Limitations%20on%20Effectiveness%20of%20Controls%20and%20Procedures) This section acknowledges the inherent limitations of any control system in achieving absolute assurance - Management acknowledges that any controls and procedures, no matter how well designed and operated, can provide only **reasonable assurance** of achieving desired control objectives due to inherent resource constraints and the need for judgment[130](index=130&type=chunk) [PART II -- OTHER INFORMATION](index=27&type=section&id=PART%20II%20--%20OTHER%20INFORMATION) This section includes additional information not covered in Part I, such as risk factors, exhibits, and signatures [Item 1A. Risk Factors](index=27&type=section&id=Item%201A.%20Risk%20Factors) This section refers to the company's Annual Report on Form 10-K for a comprehensive list of risk factors and confirms no material changes during the current reporting period - There have been **no material changes to the risk factors** previously disclosed in the Annual Report on Form **10-K** filed on March **17**, **2021**[132](index=132&type=chunk) [Item 6. Exhibits](index=27&type=section&id=Item%206.%20Exhibits) This section lists all exhibits filed as part of the Quarterly Report on Form 10-Q, including certifications and XBRL documents - The report includes various exhibits, such as Articles of Incorporation, Bylaws, certifications from the Principal Executive Officer and Principal Financial Officer, and XBRL Instance Document and Taxonomy Extensions[134](index=134&type=chunk) [Signatures](index=28&type=section&id=Signatures) This section formally certifies the accuracy and completeness of the report by authorized officers - The report was signed on **May 6, 2021**, by **Ryan J. Hoffman**, Chief Financial Officer (Principal Financial and Accounting Officer) of Interlink Electronics, Inc[137](index=137&type=chunk)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2020 OR ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from ________ to ________ . Commission file number 000-21858 INTERLINK ELECTRONICS, INC. (Exact name of registrant as specified in its charter) Nevada (State or other j ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q For the quarterly period ended September 30, 2020 or ¨ Transition Report Pursuant Section 13 or 15(d) of the Securities Exchange Act of 1934 For the transition period from __________________ to ______________________. Commission file number 000-21858 INTERLINK ELECTRONICS, INC. (Exact name of registrant as specified in its charter) (State or other jurisdiction of (I.R.S. Employer incorporation or organization) Identification N ...