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Nature of Business and Significant Accounting Policies (Policy) | 12 Months Ended
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Dec. 31, 2019
Nature Of Business And Significant Accounting Policies [Abstract] |
Nature Of Business | Nature of business: Electro-Sensors, Inc. manufactures and markets a complete line of monitoring and control systems for a variety of industrial machinery. The Company uses leading-edge technology to continuously improve its products, with the ultimate goal of manufacturing the industry-preferred product for each market served. The Company sells these products through an internal sales staff, manufacturer’s representatives, and distributors to a wide variety of industries that use the products in a variety of applications to monitor process machinery operations. The Company markets its products to customers located throughout the United States, Canada, Latin America, Europe, and Asia. In addition, we may periodically make strategic investments in other businesses and companies, including investments that we believe would facilitate the development of new relationships, or technology complementary to our existing products, or other investments that we believe present good opportunities for the Company and its shareholders. Our primary focus is to remain an operating company and we do not intend to become an investment company. See Note 2 for additional information regarding the Company’s investments. The Company’s investments in securities are subject to normal market risks.
Use Of Estimates | Use of estimates The preparation of financial statements in accordance with accounting principles generally accepted in the United States of America (US GAAP) requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. Actual results could differ from those estimates. Significant estimates, including the underlying assumptions, consist of the economic lives of long-lived assets, realizability of trade receivables, valuation of deferred tax assets/liabilities, inventory, investments, stock compensation expense, and the potential estimated impact on operations due to the outbreak of the COVID-19 virus as it relates to disruptions to our supply chain and customer demand. It is at least reasonably possible that these estimates may change in the near term.
Cash And Cash Equivalents | Cash and cash equivalents The Company considers all highly liquid debt instruments purchased with a maturity of three months or less to be cash equivalents. Cash equivalents are invested in commercial paper, money market accounts and may, also, be invested in three-month Treasury Bills. Cash equivalents are carried at fair value. The Company maintains its cash and cash equivalents primarily in two bank deposit accounts, which, at times, may exceed federally insured limits. The Company has not experienced any losses on these accounts. The Company believes it is not exposed to any significant credit risk on cash.
Trade Receivables And Credit Policies | Trade receivables and credit policies Trade receivables are uncollateralized customer obligations due under normal trade terms generally requiring payment within 30 days from the invoice date. Trade receivables are stated at the amount billed to the customer. Customer account balances with invoices over 90 days are considered delinquent. The Company does not accrue interest on delinquent trade receivables. Payments of trade receivables are allocated to the specific invoices identified on the customer’s remittance advice or, if unspecified, are applied to the earliest unpaid invoices. The carrying amount of trade receivables is reduced by an allowance for doubtful accounts that reflects management’s best estimate of the amounts that will not be collected. Management individually reviews all trade receivable balances that exceed 90 days from the invoice date and based on an assessment of current creditworthiness, estimates the portion, if any, of the balance that may not be collected. Management uses this information to estimate the allowance. As of December 31, 2019, the Company had one customer that accounted for approximately 19% of outstanding accounts receivable. As of December 31, 2018, there was one customer that accounted for approximately 12% of the accounts receivable balance.
Available-For-Sale Securities | Available-for-sale securities Substantially all the Company’s current investments consist of government debt securities. The estimated fair value of publicly traded securities is based on reported market prices or management’s reasonable market price when quoted prices are not available, and therefore subject to the inherent risk of market fluctuations. Management determines the appropriate classification of securities at the date individual investments are acquired and evaluates the appropriateness of this classification at each balance sheet date. Since the Company generally does not make investments in anticipation of short-term fluctuations in market price, the Company classifies its investments in equity securities and treasury bills as available-for-sale. Treasury bills with readily determinable values are stated at fair value, and unrealized holding gains and losses, net of the related deferred tax effect, are reported as a separate component of stockholders’ equity and within accumulated other comprehensive gain. Unrealized gains and losses on equity securities are reported in the statement of comprehensive income in non-operating income. Realized gains and losses on securities, including losses from declines in value of specific securities determined by management to be other-than-temporary, are included in the statement of comprehensive income in non-operating income. Realized gains and losses are determined on the basis of the specific securities sold. There were no other-than-temporary impairments recognized in the years ended December 31, 2019 and 2018.
Fair Value Measurements | Fair value measurements The Company’s policies incorporate the guidance for accounting for fair value measurements of financial assets and financial liabilities and for fair value measurements of nonfinancial items that are recognized or disclosed at fair value in the financial statements on a recurring basis. These policies also incorporate the guidance for fair value measurement related to nonfinancial items that are recognized and disclosed at fair value in the financial statements on a nonrecurring basis. The guidance establishes a fair value hierarchy that prioritizes the inputs to valuation techniques used to measure fair value. The hierarchy gives the highest priority to unadjusted quoted prices in active markets for identical assets or liabilities (Level 1 measurements) and the lowest priority to measurements involving significant unobservable inputs (Level 3 measurements). The three levels of the fair value hierarchy are as follows:
| ● | Level 1 inputs are quoted prices (unadjusted) in active markets for identical assets or liabilities that the Company has the ability to access at the measurement date.
| ● | Level 2 inputs are inputs other than quoted prices included within Level 1 that are observable for the asset or liability, either directly or indirectly, for substantially the full term of the asset or liability.
| ● | Level 3 inputs are unobservable inputs for the asset or liability.
The level in the fair value hierarchy within whic h a fair measurement in its entirety falls is based on the lowest level input that is significant to the fair value measurement in its entirety. The Company currently has no nonfinancial or financial items that are measured on a nonrecurring basis. The carrying value of cash equivalents, trade receivables, accounts payable, and other financial working capital items approximate fair value at December 31, 2019 and 2018 due to the short term maturity nature of these instruments.
Inventories | Inventories Inventories include material, labor and overhead and are valued at the lower of cost (first-in, first-out) or net realizable value.
Property And Equipment | Property and equipment Property and equipment are stated at cost. Depreciation is provided over estimated useful lives by use of the straight-line method. Maintenance and repairs are expensed as incurred. Major improvements and betterments are capitalized. Long-lived assets, such as property and equipment and intangible assets, are reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable. If circumstances require the Company to test a long-lived asset for possible impairment, the Company first compares undiscounted cash flows expected to be generated by an asset to the carrying value of the asset. If the carrying value of the long-lived asset is not recoverable on an undiscounted cash flow basis, the Company recognizes impairment to the extent that the carrying value of an asset exceeds its fair value. The Company determines fair value through various valuation techniques including, but not limited to, discounted cash flow models, quoted market values and third-party independent appraisals. Estimated useful lives are as follows
|  | Years |
Autos |  | 3 |
Equipment |  | 5- 10 |
Furniture and Fixtures |  | 3 - 7 |
Building |  | 7- 40 |
Intangible Assets | Intangible assets Intangible assets are comprised of the HazardPRO technology and a communication technology. The Company amortizes the cost of these intangible assets on a straight-line method over the estimated useful lives. At December 31, 2018, the Company also had a non-compete agreement that expired in February 2019.
Revenue Recognition | Revenue recognition At contract inception, the Company assesses the goods and services promised to a customer and identifies a performance obligation for each distinct promised good or service. We also determine the transaction price for each performance obligation at contract inception. Our contracts, generally in the form of a purchase order, specify the product or service that is promised to the customer. The typical contract life is less than one month and contains a single performance obligation, to provide conforming goods or services to the customer. On some contracts, we have a second performance obligation, which typically is the initialization of the HazardPRO product. For contracts that have multiple performance obligations, we allocate the transaction price to each performance obligation using the relative stand-alone selling price. We generally determine stand-alone selling prices based on the observable stand-alone prices charged to customers. We recognize product revenue at the point in time when control of the product is transferred to the customer, which typically occurs when we ship the products. We recognize service revenue at the point in time when we have provided the service.
Advertising Costs | Advertising costs The Company expenses advertising costs as incurred. Total advertising expense was $61 and $48 in 2019 and 2018, respectively.
Research And Development | Research and development Expenditures for research and development are expensed as incurred. The Company incurred expenses of $811 and $813 in 2019 and 2018, respectively.
Income Taxes | Income taxes The Company presents deferred income taxes on an asset and liability approach to financial accounting and reporting for income taxes. The Company annually determines the difference between the financial reporting and tax bases of assets and liabilities. The Company computes deferred income tax assets and liabilities for those differences that have future tax consequences using the currently enacted tax laws and rates that apply to the periods in which these laws are expected to affect taxable income. Income tax expense is the current tax payable or refundable for the period plus or minus the net change in the deferred tax assets and liabilities, excluding the portion of the deferred asset or liability allocated to other comprehensive gain (loss). Deferred taxes are reduced by a valuation allowance to the extent that realization of the related deferred tax asset is not certain. We recorded a valuation allowance on our deferred tax asset of $121 and $81 at December 31, 2019 and 2018, respectively. The Company recognizes the effect of income tax positions only if those positions are more likely than not to be sustained. The Company recognizes income tax positions at the largest amount that is more likely than not to be realized. The Company reflects changes in recognition or measurement in the period in which the Company's change in judgment occurs. The Company records interest and penalties related to unrecognized tax benefits in income tax expense.
Net Income (Loss) Per Common Share | Net income (loss) per common share Basic earnings per share (EPS) excludes dilution and is determined by dividing net income by the weighted average number of common shares outstanding during the period. Diluted EPS reflects the potential dilution that could occur if securities such as options and other contracts to issue common stock were exercised or converted into common stock. For the years ending December 31, 2019 and 2018, respectively, options to purchase 329,986 and 332,500 weighted average common shares have been excluded from the diluted weighted average shares because their effect would be anti-dilutive. The following information presents the Company’s computations of basic and diluted EPS for the periods presented in the statements of comprehensive income (loss).
|  | Income (loss) |  |  | Shares |  |  | Per share amount |
2019: |  |  |  |  |  |  |  |  |  |  |  |
Basic EPS |  | $ | 187 |  |  |  | 3,395,521 |  |  | $ | 0.06 |
Effect of dilutive stock options |  |  |  |  |  |  | 2,514 |  |  |  | 0.00 |
Diluted EPS |  | $ | 187 |  |  |  | 3,398,035 |  |  | $ | 0.06 |
2018: |  |  |  |  |  |  |  |  |  |  |  |
Basic EPS |  | $ | (10 | ) |  |  | 3,395,521 |  |  | $ | 0.00 |
Effect of dilutive stock options |  |  |  |  |  |  | 0 |  |  |  | 0.00 |
Diluted EPS |  | $ | (10 | ) |  |  | 3,395,521 |  |  | $ | 0.00 |
Stock-based Compensation | Stock-based compensation The Company records compensation expense for stock options based on the estimated fair value of the options on the date of grant using the Black-Scholes-Merton (“BSM”) model. The Company uses historical data, among other factors, to estimate the expected price volatility, the expected option life and the expected forfeiture rate. The risk-free rate is based on the U.S. Treasury yield curve in effect at the time of grant for the estimated life of the option. At December 31, 2019, the Company had two stock-based compensation plans.
Recently Adopted Accounting Pronouncements | Recently Adopted Accounting Pronouncements Financial Instruments In January 2016, the FASB issued Accounting Standards Update No. 2016-01 (ASU 2016-01) "Financial Instruments-Overall (Subtopic 825-10): Recognition and Measurement of Financial Assets and Financial Liabilities," which amends various aspects of the recognition, measurement, presentation, and disclosure of financial instruments. The Company adopted ASU 2016-01 as of January 1, 2018 using the modified retrospective method for marketable equity securities. This resulted in a $7 reclassification of net unrealized losses from accumulated other comprehensive income (AOCI) to retained earnings. The adoption of ASU 2016-01 increases the possibility of increased volatility of non-operating income, as a result of the requirement to remeasure our equity securities each reporting period. For further information see Note 2. Leases In February 2016, the FASB issued Accounting Standards Update No. 2016-02 (ASU 2016-02) "Leases (Topic 842)" which was modified in July 2018, Accounting Standards Update No. 2018-11 (ASU 2018-11) "Leases (Topic 842): Targeted Improvements" to increase transparency and comparability among organizations by requiring the recognition of Right of Use ("ROU") assets and lease liabilities on the balance sheet. Most prominent among the changes in the standard is the recognition of ROU assets and lease liabilities by lessees for those leases classified as operating leases. Under the standard, disclosures are required to meet the objective of enabling users of financial statements to assess the amount, timing, and uncertainty of cash flows arising from leases. We elected to early adopt the standard effective October 1, 2018 in conjunction with the Company entering into a financing lease using the optional effective date method. The standard did not have a material impact in our balance sheets, statements of comprehensive income (loss), or statement of cash flows compared to the legacy accounting guidance for leases.

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