Note 2. Summary of Significant Accounting Policies A.Cash and cash equivalents - The Company considers all highly liquid investments purchased with an original maturity of three months or less to be cash. B.Investments in marketable securities – The Company’s investments in marketable securities consist of corporate and government bonds and have been classified as held-to-maturity. The Company has the intent and ability to hold to maturity and the securities are reported at amortized cost. The Company considers those investments which will mature in the next twelve months, including interest receivable on long-term bonds, as current assets. The remaining investments are considered non-current assets which the Company intends to hold longer than twelve months. The Company periodically evaluates the investments for impairment. The Company uses an “expected credit loss” measurement objective for held-to-maturity securities at the time the financial asset is originated or acquired. The Company monitors the credit quality of debt securities classified as held-to-maturity using their respective credit ratings and updates them on a quarterly basis with the latest assessment completed during December 2024. Our allowance for credit losses were $1,000 and $15,000 at December 31, 2024 and 2023, respectively. Expected credit losses are adjusted each period as necessary for changes in expected lifetime credit losses. The credit loss calculations for held-to-maturity securities are based upon historical default and recovery rates of bonds rated with the same rating as the current portfolio. An adjustment factor is applied to these credit loss calculations based upon management’s assessment of the expected impact from current economic conditions on our investments. C.Fair Value of Financial Instruments - The estimated fair value of amounts reported in the financial statements have been determined using available market information and valuation methodologies, as applicable (see Note 11). D.Concentrations of Credit Risk - The Company’s cash balances, which are at times more than federally insured levels, are maintained at a large regional bank and a multinational investment bank and are continually monitored to minimize the risk of loss. The Company grants credit to most customers, who are varied in terms of size, geographic location, and financial strength. Customer balances are continually monitored to minimize the risk of loss. The Company’s two largest customers accounted for 74% and 14% of total revenue in 2024. These two customers represented 70% of the accounts receivable trade balance at December 31, 2024, and the Company expects to collect all outstanding accounts receivable as of December 31, 2024, from these customers. The Company’s two largest customers accounted for 78% and 11% of total revenue in 2023. These two customers represented 72% of the accounts receivable trade balance at December 31, 2023 and the Note 2. Summary of Significant Accounting Policies (continued) Company subsequently collected all outstanding accounts receivable as of December 31, 2023 from these customers. E.Accounts Receivable - The Company extends unsecured credit to customers under normal trade agreements which typically require payment within 30-60 days. The Company does not charge interest on delinquent trade accounts receivable. Unless specified by the customer, payments are applied to the oldest unpaid invoice. Accounts receivable are presented at the amount billed. Management estimates an allowance for doubtful accounts, which was $15,000 as of December 31, 2024, and 2023. This estimate is based upon management’s assessment of the expected collectability of specific customer accounts, the aging of the accounts receivable and reasonable supportable forecasts. Specific accounts are charged directly to the reserve or bad debt expense when management obtains evidence of a customer’s insolvency or otherwise determines that the account is uncollectible. There was no bad debt expense during 2024 and 2023 related to customers’ accounts receivable. F.Inventories - Inventories are stated at the lower of cost or net realizable value on an acquired or internally produced lot basis, and consist of raw materials, work-in-process, and finished goods. Cost includes material, labor, freight and applied overhead. Inventory reserves are established for obsolete inventory, lower of cost or net realizable value, and excess inventory quantities based on management’s estimate of net realizable value. The Company had an inventory reserve of $7,016 and $7,512 at December 31, 2024, and 2023, respectively. G.Property and Equipment - Property and equipment are carried at cost. Depreciation is provided using the straight-line method based on the estimated useful lives of the assets. Useful lives range from three years on computer equipment to sixteen years on certain equipment. Leasehold improvements are amortized over the shorter of the estimated useful life or the term of the lease. Depreciation expense totaled $469,525 and $465,333 for the years ended December 31, 2024, and 2023, respectively. Expenditures for renewals and betterments are capitalized and expenditures for repairs and maintenance are charged to operations as incurred. Long-lived assets are reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount may not be recoverable. If the fair value is less than the carrying amount of the asset, a loss is recognized for the difference. During 2024, various assets totaling $17,138 with a net book value of $1,555 were considered impaired. During 2023, various assets totaling $22,478 with a net book value of $12,865 were considered impaired. This impairment is offset against gain on disposal of equipment in the Statement of Income. H.Intangible Assets - The Company reviews intangible assets for impairment and performs detailed testing whenever impairment indicators are present. If necessary, an impairment loss is recorded for the excess of carrying value over fair value. There were no intangible assets considered impaired during 2024 or 2023. Costs incurred to secure patents have been capitalized and amortized over the life of the patents. Cost and accumulated amortization of the patents at December 31, 2024, was $85,516 and $26,986 respectively, and cost and accumulated amortization of the patents at December 31, 2023, was $85,516 and $22,054, respectively. Amortization expense related to patents was $4,933 and $4,457 for the years ended December 31, 2024, and 2023, respectively. Amortization expense is expected to be at least $4,933 for each of the next five years. Note 2. Summary of Significant Accounting Policies (continued) I.Revenue Recognition - The Company enters into contracts with its customers that generally represent purchase orders specifying general terms and conditions, order quantities and per unit product prices. The Company has determined that each unit of product purchased represents a separate performance obligation. The Company satisfies its performance obligations and recognizes revenue at a point in time when control of a unit of product is transferred to the customer. Revenue is measured as the amount of consideration the Company expects to receive in exchange for transferring products. For most product sales, transfer of control occurs when the products are shipped from the Company’s manufacturing facility to the customer. The cost of delivering products to the Company’s customers is recorded as a component of cost of products sold. Those costs may include the amounts paid to a third party to deliver the products. Any freight costs billed to and paid by a customer are included in revenue. The Company considers collectability of amounts due under a contract to be probable upon inception of a sale based on an evaluation of the credit worthiness of each customer. The Company sells its products typically under agreements with payment terms of 30-60 days. The Company does not typically include extended payment terms or significant financing components in contracts with customers. The majority of the Company’s contracts have an obligation to transfer products within one year. Thus, the Company elects to use the practical expedient where incremental cost of obtaining a contract, such as commissions, is expensed when incurred because the amortization period for those costs is one year or less. The Company treats shipping and handling activities that occur after control of the product transfers as fulfillment activities and therefore does not account for shipping and handling costs as a separate performance obligation. Customer deposits are funds received in advance from customers and are recognized as revenue when the Company has transferred control of product to the customer. Product revenues are recognized upon shipment of goods as the customer has assumed the significant risks and rewards of ownership and the Company is entitled to payment at this point. Service revenues are recognized upon completion as the customer cannot realize the benefit of the service until it is fully completed. During 2024 and 2023, revenue from the PVD industry exceeded 99% of total revenue. The balance of the revenue was from the solar market. The top two customers represented 88% and 89% of total revenue during 2024 and 2023, respectively. International shipments resulted in 1% of total revenue during 2024 and 2023. J.Stock Based Compensation - Compensation cost for all stock-based awards is based on the grant date fair value and is recognized over the required service (vesting) period. Noncash stock-based compensation expense was $43,980 and $45,485 for the years ended December 31, 2024 and 2023, respectively. Unrecognized compensation expense was $0 as of December 31, 2024. K.Research and Development - Research and development costs are expensed as incurred. Research and development expense for the years ended December 31, 2024 and 2023, was $564,576 and $501,937, respectively. Consistent with our growth strategy, we have identified niche markets that can benefit from our expertise in custom powder solutions, such as near-infrared doped phosphors and short-wave infrared applications. These applications enable extended life of phosphors for specific nighttime identification needs of defense personnel and first responders. We are also pursuing opportunities in niche markets of the global photonics industry which can benefit from our expertise in custom powder solutions for advanced materials, innovative products and applications, diffusion and indium bonding, and toll processing services. The Company is developing an innovative rotatable precious metal target product for the photonics industry. Investments also continue to be made offering customers alternatives to lower their total cost of ownership for reclaim and repress processes. Initiatives are also being pursued to leverage utilization of our vacuum hot Note 2. Summary of Significant Accounting Policies (continued) presses, cold isostatic press, and kilns for increased production and development projects. During 2023 we completed the enclosure of our grinding machines which enhances our manufacturing footprint. L.Income Taxes – Income taxes are accounted for under the asset and liability method, which requires the recognition of deferred tax assets and liabilities for the expected future tax consequences of events that have been included in the financial statements. Under this method, we determine deferred tax assets and liabilities on the basis of the differences between the financial statement and tax bases of assets and liabilities by using enacted tax rates in effect for the year in which the differences are expected to reverse. The effect of a change in tax rates on deferred tax assets and liabilities is recognized in income in the period that includes the enactment date. We recognize deferred tax assets to the extent that we believe that these assets are more likely than not to be realized. In making such a determination, we consider all available positive and negative evidence, including future reversals of existing taxable temporary differences, projected future taxable income, tax-planning strategies, and results of recent operations. If we determine that we will not be able to realize our deferred tax assets in the future, we would make an adjustment to the deferred tax asset valuation allowance, which would increase the provision for income taxes. M.Use of Estimates - The preparation of financial statements in conformity with U.S. generally accepted accounting principles requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Estimates are used for, but not limited to, the accounting for the allowance for doubtful accounts and current expected credit losses, inventory allowances, property and equipment depreciable lives, patents and licenses useful lives, revenue recognition, tax valuation allowance, stock-based compensation and assessing changes in which impairment of certain long-lived assets may occur. Actual results could differ from those estimates. N.Recent Accounting Pronouncements – In June 2016, the FASB issued ASU No. 2016-13 “Credit Losses - Measurement of Credit Losses on Financial Instruments.” ASU No. 2016-13 significantly changes how entities measure credit losses for most financial assets, including accounts receivable and held-to-maturity marketable securities, by replacing today’s “incurred loss” approach with an “expected loss” model under which allowances will be recognized based on expected rather than incurred losses. ASU No. 2016-13 became effective for us in the first quarter of 2023. The adoption of ASU No. 2016-13 resulted in a cumulative effect of $5,000 and is reflected in the accompanying Statement of Shareholders’ Equity. O.Employee Retention Credit (“ERC”) - The Company qualified for federal government assistance through ERC provisions of the Consolidated Appropriations Act of 2021 during 2021 and 2020. The purpose of the ERC was to encourage employers to keep employees on the payroll, even if they were not working during the covered period because of the coronavirus outbreak. This credit was recorded in the Statement of Income as an offset to payroll costs in their respective expense lines. A balance of $40,539 appears as a tax receivable on the balance sheets at December 31, 2024 and 2023.
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