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Summary of Significant Accounting Policies | 12 Months Ended
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Mar. 31, 2023
Summary of Significant Accounting Policies [Abstract] |
Summary of Significant Accounting Policies | 2. Summary of Significant Accounting Policies Principles of Consolidation The accompanying consolidated financial statements include the accounts of Motorcar Parts of America, Inc. and its wholly owned subsidiaries. All significant inter-company accounts and transactions have been eliminated. Segment Reporting The Company’s three operating segments are as follows:
• | Hard Parts, including (i) light duty rotating electric products such as alternators and starters, (ii) wheel hub products, (iii) brake-related products, including brake calipers, brake boosters, brake rotors, brake pads and brake master cylinders, and (iv) turbochargers,
• | Test Solutions and Diagnostic Equipment, including (i) applications for combustion engine vehicles, including bench top testers for alternators and starters, (ii) test solutions and diagnostic equipment for the pre- and post-production of electric vehicles, (iii) software emulation of power systems applications for the electrification of all forms of transportation (including automobiles, trucks and the emerging electrification of systems within the aerospace industry, such as electric vehicle charging stations), and
• | Heavy Duty, including non-discretionary automotive aftermarket replacement hard parts for heavy-duty truck, industrial, marine, and agricultural applications.
Prior to the fourth quarter of fiscal 2023, the Company’s operating segments met the aggregation criteria and were aggregated. Effective as of the fourth quarter of fiscal 2023, the Company revised its segment reporting as it determined that its three operating segments no longer met the criteria to be aggregated. The Company’s Hard Parts operating segment meets the criteria of a reportable segment. The Test Solutions and Diagnostic Equipment and Heavy Duty are not material, are not separately reportable, and are included within the “all other” category. See Note 19 for more information. Cash and Cash Equivalents Cash primarily consists of cash on hand and bank deposits. Cash equivalents consist of money market funds. The Company considers all highly liquid investments purchased with an original or remaining maturity of less than three months at the date of purchase to be cash equivalents. Cash and cash equivalents are maintained with various financial institutions. Accounts Receivable The Company’s accounts receivable are recorded at amortized cost less an allowance for credit losses that are not expected to be recovered. The net amount of accounts receivable and corresponding allowance for credit losses are presented in the consolidated balance sheets. The Company maintains allowances for credit losses resulting from the expected failure or inability of its customers to make required payments. The Company does not require collateral for accounts receivable. The Company believes its credit risk with respect to trade accounts receivable is limited due to its credit evaluation process and the long-term nature of its relationships with its largest customers. The Company utilizes a historical loss rate method, adjusted for any changes in economic conditions or risk characteristics, to estimate its expected credit losses each period. When developing an estimate of expected credit losses, the Company considers all available relevant information regarding the collectability of cash flows, including historical information, current conditions, and reasonable and supportable forecasts of future economic conditions over the contractual life of the receivable. The historical loss rate method considers past write-offs of trade accounts receivable over a period commensurate with the initial term of the Company’s contracts with its customers. The Company recognizes the allowance for credit losses at inception and reassesses quarterly based on management’s expectation of the asset’s collectability. The Company’s accounts receivable are short-term in nature and written off only when all collection attempts have failed. The Company has receivable discount programs that have been established with certain major customers and their respective banks. Under these programs, the Company has the option to sell those customers’ receivables to those banks at a discount to be agreed upon at the time the receivables are sold. Once the customer chooses which outstanding invoices are going to be made available for discounting, the Company can accept or decline the bundle of invoices provided. The receivable discount programs are non-recourse, and funds cannot be reclaimed by the customer or its bank after the related invoices have been discounted. Inventory Inventory is comprised of: (i) Used Core and component raw materials, (ii) work-in-process, (iii) remanufactured finished goods and purchased finished goods. Used Core, component raw materials, and purchased finished goods are stated at the lower of average cost or net realizable value. Work-in-process is in various stages of production and is valued at the average cost of Used Cores and component raw materials issued to work orders still open, including allocations of labor and overhead costs. Historically, work-in-process inventory has not been material compared to the total inventory balance. Remanufactured finished goods include: (i) the Used Core cost and (ii) the cost of component raw materials, and allocations of labor and variable and fixed overhead costs (the “Unit Cost”). The allocations of labor and variable and fixed overhead costs are based on the actual use of the production facilities over the prior 12 months which approximates normal capacity. This method prevents the distortion in allocated labor and overhead costs that would occur during short periods of abnormally low or high production. In addition, the Company excludes certain unallocated overhead such as severance costs, duplicative facility overhead costs, start-up costs, training, and spoilage from the calculation and expenses these unallocated overhead costs as period costs. Purchased finished goods also include an allocation of fixed overhead costs. The estimate of net realizable value is subjective and based on management’s judgment and knowledge of current industry demand and management’s projections of industry demand. The estimates may, therefore, be revised if there are changes in the overall market for the Company’s products or market changes that in management’s judgment impact its ability to sell or liquidate potentially excess or obsolete inventory. Net realizable value is determined at least quarterly as follows:
| • | Net realizable value for finished goods by customer, by product line are determined based on the agreed upon selling price with the customer for a product in the trailing 12 months. The Company compares the average selling price, including any discounts and allowances, to the finished goods cost of on-hand inventory, less any reserve for excess and obsolete inventory. Any reduction of value is recorded as cost of goods sold in the period in which the revaluation is identified.
| • | Net realizable value for Used Cores are determined based on current core purchase prices from core brokers to the extent that core purchases in the trailing 12 months are significant. Remanufacturing consumes, on average, more than one Used Core for each remanufactured unit produced since not all Used Cores are reusable. The yield rates depend upon both the product and consumer specifications. The Company purchases Used Cores from core brokers to supplement its yield rates and Used Cores not returned under the core exchange programs. The Company also considers the net selling price its customers have agreed to pay for Used Cores that are not returned under its core exchange programs to assess whether Used Core cost exceeds Used Core net realizable value on a by customer, by product line basis. Any reduction of core cost is recorded as cost of goods sold in the period in which the revaluation is identified.
| • | The Company records an allowance for potentially excess and obsolete inventory based upon recent sales history, the quantity of inventory on-hand, and a forecast of potential use of the inventory. The Company periodically reviews inventory to identify excess quantities and part numbers that are experiencing a reduction in demand. Any part numbers with quantities identified during this process are reserved for at rates based upon management’s judgment, historical rates, and consideration of possible scrap and liquidation values which may be as high as 100% of cost if no liquidation market exists for the part. As a result of this process, the Company recorded reserves for excess and obsolete inventory of $16,436,000 and $13,520,000 at March 31, 2023 and 2022, respectively. This increase in the reserve was primarily due to excess inventory of certain finished goods on hand at March 31, 2023 compared with March 31, 2022.
The Company records vendor discounts as a reduction of inventories and are recognized as a reduction to cost of sales as the inventories are sold. Inventory Unreturned Inventory unreturned represents the Company’s estimate, based on historical data and prospective information provided directly by the customer, of finished goods shipped to customers that the Company expects to be returned under its general right of return policy, after the balance sheet date. Inventory unreturned includes only the Unit Cost of a finished good. The return rate is calculated based on expected returns within the normal operating cycle, which is generally one year. As such, the related amounts are classified in current assets. Inventory unreturned is valued in the same manner as the Company’s finished goods inventory. Contract Assets Contract assets consists of: (i) the core portion of the finished goods shipped to customers, (ii) upfront payments to customers in connection with customer contracts, (iii) core premiums paid to customers, (iv) finished goods premiums paid to customers, and (v) long-term core inventory deposits. Remanufactured Cores held at customers’ locations as a part of the finished goods sold to the customer are classified as long-term contract assets. These assets are valued at the lower of cost or net realizable value of Used Cores on hand (See Inventory above). For these Remanufactured Cores, the Company expects the finished good containing the Remanufactured Core to be returned under the Company’s general right of return policy or a similar Used Core to be returned to the Company by the customer, under the Company’s core exchange programs, in each case for credit. The Remanufactured Cores and Used Cores returned by consumers to the Company’s customers but not yet returned to the Company are classified as “Cores expected to be returned by customers”, which are included in short-term contract assets until the Company physically receives them during its normal operating cycle, which is generally one year. Upfront payments to customers represent marketing allowances, such as sign-on bonuses, slotting fees, and promotional allowances provided by the Company to its customers. These allowances are recognized as an asset and amortized over the appropriate period of time as a reduction of revenue if the Company expects to generate future revenues associated with the upfront payment. If the Company does not expect to generate additional revenue, then the upfront payment is recognized in the consolidated statements of operations when payment occurs as a reduction of revenue. Upfront payments expected to be amortized during the Company’s normal operating cycle, which is generally one year, are classified as short-term contract assets. Core premiums paid to customers represent the difference between the Remanufactured Core acquisition price paid to customers, generally in connection with new business, and the related Used Core cost. The core premiums are treated as an asset and recognized as a reduction of revenue through the later of the date at which related revenue is recognized or the date at which the sales incentive is offered. The Company considers, among other things, the length of its largest ongoing customer relationships, duration of customer contracts, and the average life of vehicles on the road in determining the appropriate period of time over which to amortize these premiums. These core premiums are amortized over a period typically ranging from six to eight years, adjusted for specific circumstances associated with the arrangement. Core premiums are recorded as long-term contract assets. Core premiums expected to be amortized within the Company’s normal operating cycle, which is generally one year, are classified as short-term contract assets. Finished goods premiums paid to customers represent the difference between the finished good acquisition price paid to customers, generally in connection with new business, and the related finished good cost, which is treated as an asset and recognized as a reduction of revenue through the later of the date at which related revenue is recognized or the date at which the sales incentive is offered. The Company considers, among other things, the length of its largest ongoing customer relationships, duration of customer contracts, and the average life of vehicles on the road in determining the appropriate period of time over which to amortize these premiums. Finished goods premiums are amortized over a period typically ranging from six to eight years, adjusted for specific circumstances associated with the arrangement. Finished goods premiums are recorded as long-term contract assets. Finished goods premiums expected to be amortized within our normal operating cycle, which is generally one year, are classified as short-term contract assets. Long-term core inventory deposits represent the cost of Remanufactured Cores the Company has purchased from customers, which are held by the customers and remain on the customers’ premises. The costs of these Remanufactured Cores were established at the time of the transaction based on the then current cost. The selling value of these Remanufactured Cores was established based on agreed upon amounts with these customers. The Company expects to realize the selling value and the related cost of these Remanufactured Cores should its relationship with a customer end, a possibility that the Company considers remote based on existing long-term customer agreements and historical experience. Customer Finished Goods Returns Accrual The customer finished goods returns accrual represents the Company’s estimate of its exposure to customer returns, including warranty returns, under its general right of return policy to allow customers to return items that their end user customers have returned to them and from time to time, stock adjustment returns when the customers’ inventory of certain product lines exceeds the anticipated sales to end-user customers. The customer finished goods returns accrual represents the Unit Value of the estimated returns and is classified as a current liability due to the expectation that these returns will occur within the normal operating cycle of one year. Income Taxes The Company accounts for income taxes using the liability method, which measures deferred income taxes by applying enacted statutory rates in effect at the balance sheet date to the differences between the tax basis of assets and liabilities and their reported amounts in the financial statements. The resulting asset or liability is adjusted to reflect changes in the tax laws as they occur. A valuation allowance is provided to reduce deferred tax assets when it is more likely than not that a portion of the deferred tax asset will not be realized. The primary components of the Company’s income tax expense were (i) federal income taxes, (ii) state income taxes, (iii) foreign income taxed at rates that are different from the federal statutory rate, (iv) change in realizable deferred tax items, (v) impact of the non-deductible executive compensation under Internal Revenue Code Section 162(m), and (vi) income taxes associated with uncertain tax positions. Realization of deferred tax assets is dependent upon the Company’s ability to generate sufficient future taxable income. Significant judgment is required in determining the Company’s provision for income taxes, deferred tax assets and liabilities and any valuation allowance recorded against the Company’s net deferred tax assets. The Company makes these estimates and judgments about its future taxable income that are based on assumptions that are consistent with the Company’s future plans. A valuation allowance is established when the Company believes it is not more likely than not all or some deferred tax assets will be realized. In evaluating the Company’s ability to recover deferred tax assets within the jurisdiction in which they arise, the Company considers all available positive and negative evidence. Deferred tax assets arising primarily as a result of net operating loss carry-forwards and research and development credits in connection with the Company’s Canadian operations have been offset completely by a valuation allowance due to the uncertainty of their utilization in future periods. Should the actual amount differ from the Company’s estimates, the amount of the valuation allowance could be impacted. The Company has made an accounting policy election to recognize the U.S. tax effects of global intangible low-taxed income as a component of income tax expense in the period the tax arises. Plant and Equipment Plant and equipment are stated at cost, less accumulated depreciation. The cost of additions and improvements are capitalized, while maintenance and repairs are charged to expense when incurred. Depreciation is provided on a straight-line basis in amounts sufficient to relate the cost of depreciable assets to operations over their estimated service lives. Machinery and equipment are depreciated over a range from five to ten years. Office equipment and fixtures are depreciated over a range from three to ten years. Leasehold improvements are depreciated over the lives of the respective leases or the service lives of the leasehold improvements, whichever is shorter. Depreciation of assets recorded under finance leases is included in depreciation expense. The Company evaluates plant and equipment, including leasehold improvements, equipment, construction in progress, and right-of-use assets for impairment whenever events or circumstances indicate that the carrying value of an asset or asset group may not be recoverable. There was no impairment recorded during the years ended March 31, 2023, 2022, or 2021. Leases The Company determines if an arrangement contains a lease at inception. Lease assets and lease liabilities are recorded based on the present value of lease payments over the lease term, which includes the minimum unconditional term of the lease. Certain of the Company’s leases include options to extend the leases for up to five years. When the Company has the option to extend the lease term, terminate the lease before the contractual expiration date, or purchase the leased asset, and it is reasonably certain that it will exercise the option, the option is considered in determining the classification and measurement of the lease. The lease assets are recorded net of any lease incentives received. The Company exempts leases with an initial term of 12 months or less from balance sheet recognition and, for all classes of assets, combines non-lease components with lease components. Lease assets are tested for impairment in the same manner as long-lived assets used in operations. The Company uses its incremental borrowing rate for each of its leases in determining the present value of its expected lease payments based on the information available at the lease commencement date as the rate implicit for each of its leases is not readily detainable. The Company’s incremental borrowing rate is determined by analyzing and combining (i) an applicable risk-free rate, (ii) a financial spread adjustment, and (iii) any lease specific adjustment. Certain leases contain provisions for property-related costs that are variable in nature for which the Company is responsible, including common area maintenance and other property operating services, which are expensed as incurred and not included in the determination of lease assets and lease liabilities. These costs are calculated based on a variety of factors including property values, tax and utility rates, property services fees, and other factors. The Company records rent expense for operating leases, some of which have escalating rent payments, on a straight-line basis over the lease term. The Company has material non-functional currency leases. As required for other monetary liabilities, lessees shall remeasure a foreign currency-denominated lease liability using the exchange rate at each reporting date, but the lease assets are nonmonetary assets measured at historical rates, which are not affected by subsequent changes in the exchange rates. The Company recorded gains of $6,515,000, $1,989,000 and $9,893,000 during the years ended March 31, 2023, 2022 and 2021, respectively, which are included in foreign exchange impact of lease liabilities and forward contracts in the consolidated statements of operations. See Note 10 for additional information regarding the Company’s leases. Goodwill The Company evaluates goodwill for impairment at least annually during the fourth quarter of each fiscal year or more frequently when an event occurs or circumstances change that indicate the carrying value may not be recoverable. The goodwill impairment test is performed at the reporting unit level, which represents the Company’s operating segments. In testing for goodwill impairment, the Company may elect to utilize a qualitative assessment to evaluate whether it is more likely than not that the fair value of the reporting unit is less than its carrying amount. If the Company’s qualitative assessment indicates that goodwill impairment is more likely than not, it will proceed with performing the quantitative assessment. If the fair value of the reporting unit exceeds its carrying value, goodwill is not considered impaired. If the carrying value of the reporting unit exceeds its fair value an impairment loss will be recognized for the amount by which the carrying value exceeds the reporting unit’s fair value. The Company completes the required annual testing of goodwill impairment for each of the reporting units during the fourth quarter of the year. No impairment was recorded during the years ended March 31, 2023, 2022, or 2021. Intangible Assets The Company’s intangible assets other than goodwill are finite–lived and amortized on a straight-line basis over their respective useful lives. The Company analyzes its finite-lived intangible assets for impairment when and if indicators of impairment exist. No impairment was recorded during the years ended March 31, 2023, 2022, or 2021. Debt Issuance Costs Debt issuance costs include fees and costs incurred to obtain financing. Debt issuance costs related to the Company’s term loans and convertible notes are presented in the balance sheet as a direct deduction from carrying amounts of the respective debt. Debt issuance costs related to the Company’s revolving loan are presented in prepaid expenses and other current assets in the accompanying consolidated balance sheets, regardless of whether or not there are any outstanding borrowings under the revolving loan. These fees and costs are amortized using the straight-line method, which approximates the effective interest rate method, over the terms of the related loans and notes and are included in interest expense in the Company’s consolidated statements of operations. Foreign Currency Translation For financial reporting purposes, the functional currency of the foreign subsidiaries is the local currency. The assets and liabilities of foreign operations for which the local currency is the functional currency are translated into the U.S. dollar at the exchange rate in effect at the balance sheet date, while revenues and expenses are translated at average exchange rates during the year. The accumulated foreign currency translation adjustment is presented as a component of comprehensive income or loss in the consolidated statements of shareholders’ equity. During the year ended March 31, 2023, aggregate foreign currency transaction losses of $1,401,000 and gains of $239,000 and $1,144,000 for the years ended March 31, 2022 and 2021, respectively, were recorded in general and administrative expenses. Revenue Recognition Revenue is recognized when performance obligations under the terms of a contract with the Company’s customers are satisfied; generally, this occurs with the transfer of control of its products. Revenue is measured as the amount of consideration the Company expects to receive in exchange for transferring goods or providing services. Revenue is recognized net of all anticipated returns, marketing allowances, volume discounts, and other forms of variable consideration. Revenue is recognized either when products are shipped or when delivered, depending on the applicable contract terms. The price of a finished remanufactured product sold to customers is generally comprised of separately invoiced amounts for the Remanufactured Core included in the product (“Remanufactured Core value”) and the unit portion included in the product (“Unit Value”), for which revenue is recorded based on our then current price list, net of applicable discounts and allowances. The Remanufactured Core value is recorded as a net revenue based upon the estimate of Used Cores that will not be returned by the customer for credit. These estimates are subjective and based on management’s judgment and knowledge of historical, current, and projected return rates. As reconciliations are completed with the customers the actual rates at which Used Cores are not being returned may differ from the current estimates. This may result in periodic adjustments of the estimated contract asset and liability amounts recorded and may impact the projected revenue recognition rates used to record the estimated future revenue. These estimates may also be revised if there are changes in contractual arrangements with customers, or changes in business practices. A significant portion of the remanufactured automotive parts sold to customers are replaced by similar Used Cores sent back for credit by customers under the core exchange programs (as described in further detail below). The number of Used Cores sent back under the core exchange programs is generally limited to the number of similar Remanufactured Cores previously shipped to each customer. Revenue Recognition — Core Exchange Programs Full price Remanufactured Cores: When remanufactured products are shipped, certain customers are invoiced for the Remanufactured Core value of the product at the full Remanufactured Core sales price. For these Remanufactured Cores, revenue is only recognized based upon an estimate of the rate at which these customers will pay cash for Remanufactured Cores in lieu of sending back similar Used Cores for credits under the core exchange programs. The remainder of the full price Remanufactured Core value invoiced to these customers is established as a long-term contract liability rather than being recognized as revenue in the period the products are shipped as the Company expects these Remanufactured Cores to be returned for credit under its core exchange programs. Nominal price Remanufactured Cores: Certain other customers are invoiced for the Remanufactured Core value of the product shipped at a nominal (generally $0.01 or less) Remanufactured Core price. For these nominal Remanufactured Cores, revenue is only recognized based upon an estimate of the rate at which these customers will pay cash for Remanufactured Cores in lieu of sending back similar Used Cores for credits under the core exchange programs. Revenue amounts are calculated based on contractually agreed upon pricing for these Remanufactured Cores for which the customers are not returning similar Used Cores. The remainder of the nominal price Remanufactured Core value invoiced to these customers is established as a long-term contract liability rather than being recognized as revenue in the period the products are shipped as the Company expects these Remanufactured Cores to be returned for credit under its core exchange programs. Revenue Recognition; General Right of Return Customers are allowed to return goods that their end-user customers have returned to them, whether or not the returned item is defective (warranty returns). In addition, under the terms of certain agreements and industry practice, customers from time to time are allowed stock adjustments when their inventory of certain product lines exceeds the anticipated sales to end-user customers (stock adjustment returns). Customers have various contractual rights for stock adjustment returns, which are typically less than 5% of units sold. In some instances, a higher level of returns is allowed in connection with significant restocking orders. The aggregate returns are generally limited to less than 20% of unit sales. The allowance for warranty returns is established based on a historical analysis of the level of this type of return as a percentage of total unit sales. The allowance for stock adjustment returns is based on specific customer inventory levels, inventory movements, and information on the estimated timing of stock adjustment returns provided by customers. Stock adjustment returns do not occur at any specific time during the year. The return rate for stock adjustments is calculated based on expected returns within the normal operating cycle, which is generally one year. The Unit Value of the warranty and stock adjustment returns are treated as reductions of revenue based on the estimations made at the time of the sale. The Remanufactured Core value of warranty and stock adjustment returns are provided for as indicated in the paragraph “Revenue Recognition – Core Exchange Programs”. As is standard in the industry, the Company only accepts returns from on-going customers. If a customer ceases doing business with the Company, it has no further obligation to accept additional product returns from that customer. Similarly, the Company accepts product returns and grants appropriate credits to new customers from the time the new customer relationship is established. Shipping Costs The Company includes shipping and handling charges in the gross invoice price to customers and classifies the total amount as revenue. All shipping and handling costs are expensed as cost of sales as inventory is sold. Contract Liability Contract liability consists of: (i) customer allowances earned, (ii) accrued core payments, (iii) customer core returns accruals, (iv) core bank liability, (v) finished goods liabilities, and (vi) customer deposits. Customer allowances earned includes all marketing allowances provided to customers. Such allowances include sales incentives and concessions. Voluntary marketing allowances related to a single exchange of product are recorded as a reduction of revenues at the time the related revenues are recorded or when such incentives are offered. Other marketing allowances, which may only be applied against future purchases, are recorded as a reduction to revenues in accordance with a schedule set forth in the relevant contract. Sales incentive amounts are recorded based on the value of the incentive provided. See Note 14 for a description of all marketing allowances. Customer allowances to be provided to customers within the Company’s normal operating cycle, which is generally one year, are considered short-term contract liabilities and the remainder are recorded as long-term contract liabilities. Accrued core payments represent the sales price of Remanufactured Cores purchased from customers, generally in connection with new business, which are held by these customers and remain on their premises. The sales price of these Remanufactured Cores will be realized when the Company’s relationship with a customer ends, a possibility that the Company considers remote based on existing long-term customer agreements and historical experience. The payments to be made to customers for purchases of Remanufactured Cores within the Company’s normal operating cycle, which is generally one year, are considered short-term contract liabilities and the remainder are recorded as long-term contract liabilities. Customer core returns accruals represent the full and nominally priced Remanufactured Cores shipped to the Company’s customers. When the Company ships the product, it recognizes an obligation to accept a similar Used Core sent back under the core exchange programs based upon the Remanufactured Core price agreed upon by the Company and its customer. The Contract liability related to Used Cores returned by consumers to the Company’s customers but not yet returned to the Company are classified as short-term contract liabilities until the Company physically receives these Used Cores as they are expected to be returned during the Company’s normal operating cycle, which is generally one year and the remainder are recorded as long-term contract liabilities. The core bank liability represents the full Remanufactured Core sales price paid for cores returned under the core exchange programs. The payment for these cores are made over a contractual repayment period pursuant to the Company’s agreement with this customer. Payments to be made within the Company’s normal operating cycle, which is generally one year, are considered short-term contract liabilities and the remainder are recorded as long-term contract liabilities. Finished goods liabilities represents the agreed upon price of finished goods purchased from customers, generally in connection with new business. The payment for these finished goods are made over a contractual repayment period pursuant to the Company’s agreement with the customer. Payments to be made within the Company’s normal operating cycle, which is generally one year, are considered short-term contract liabilities and the remainder are recorded as long-term contract liabilities. Customer deposits represent the receipt of prepayments from customers for the obligation to transfer goods or services in the future. The Company classifies these customer deposits as short-term contract liabilities as the Company expects to satisfy these obligations within its normal operating cycle, which is generally one year. Advertising Costs The Company expenses all advertising costs as incurred. Advertising expenses for the years ended March 31, 2023, 2022 and 2021 were $606,000, $1,007,000, and $507,000, respectively. Net (Loss) Income Per Share Basic net (loss) income per share is computed by dividing net (loss) income by the weighted average number of shares of common stock outstanding during the period. Diluted net (loss) income per share includes the effect, if any, from the potential exercise or conversion of securities, such as stock options, warrants, and Convertible Notes (as defined in Note 8), which would result in the issuance of incremental shares of common stock to the extent such impact is not anti-dilutive. The following presents a reconciliation of basic and diluted net (loss) income per share.
|  | Years Ended March 31, |
|  | 2023 |  |  | 2022 |  |  | 2021 |
Net (loss) income |  | $ | (4,207,000 | ) |  | $ | 7,361,000 |  |  | $ | 21,476,000 |
Basic shares |  |  | 19,340,246 |  |  |  | 19,119,727 |  |  |  | 19,023,145 |
Effect of dilutive stock options |  |  | - |  |  |  | 439,919 |  |  |  | 364,410 |
Diluted shares |  |  | 19,340,246 |  |  |  | 19,559,646 |  |  |  | 19,387,555 |
Net (loss) income per share: |  |  |  |  |  |  |  |  |  |  |  |
Basic net (loss) income per share |  | $ | (0.22 | ) |  | $ | 0.38 |  |  | $ | 1.13 |
Diluted net (loss) income per share |  | $ | (0.22 | ) |  | $ | 0.38 |  |  | $ | 1.11 |
Potential common shares that would have the effect of increasing diluted net income per share or decreasing diluted net loss per share are considered to be anti-dilutive and as such, these shares are not included in calculating diluted net (loss) income per share. For the years ended March 31, 2023, 2022 and 2021, there were 1,854,795, 725,998, and 1,279,251, respectively, of potential common shares not included in the calculation of diluted net (loss) income per share because their effect was anti-dilutive. In addition, for the year ended March 31, 2023, there were 5,846 of potential common shares not included in the calculation of diluted net (loss) income per share in under the “if-converted” method for the Convertible Notes because their effect was anti-dilutive. The potential common shares related to the Warrants (as defined below) issued in connection with the Convertible Notes (see Note 8) are anti-dilutive until they become exercisable and as of March 31, 2023, the Warrants were not exercisable. Use of Estimates The preparation of consolidated financial statements in conformity with accounting principles generally accepted in the United States (“GAAP”) requires management to make estimates and assumptions that affect the reported amounts in the consolidated financial statements and accompanying notes. Actual results could differ from those estimates. On an on-going basis, the Company evaluates its estimates, including allowances for credit losses, valuation of inventory, valuation of long-lived assets, goodwill and intangible assets, depreciation and amortization of long-lived assets, litigation matters, valuation of deferred tax assets, share-based compensation, sales returns and other customer marketing allowances, the incremental borrowing rate used in determining the present value of lease liabilities, and valuation of the embedded derivatives in connection with the convertible notes. Although the Company does not believe that there is a reasonable likelihood that there will be a material change in the future estimate or in the assumptions used in calculating the estimate, unforeseen changes in the industry, or business could materially impact the estimate and may have a material adverse effect on its business, financial condition and results of operations. Financial Instruments The carrying amounts of cash, short-term investments, accounts receivable, accounts payable and accrued liabilities approximate their fair value due to the short-term nature of these instruments. The carrying amounts of the revolving loan, term loan and other long-term liabilities approximate their fair value based on current rates for instruments with similar characteristics. The carrying amount of the convertible notes approximated their fair value as they were issued and sold on March 31, 2023. Share-Based Payments The Company has share-based compensation plans and recognizes compensation expense over the requisite service period for its share-based plans based on the fair value of the awards on the date of the grant, award or issuance and accounts for forfeitures as they occur. Share-based plans include stock option awards, restricted stock units, restricted stock awards, and performance stock units issued under the Company’s incentive plans. The cost is measured at the grant date, based on the estimated fair value of the award using the Black-Scholes option pricing model for stock options, based on the closing share price of the Company’s stock on the grant date for restricted stock units and restricted stock awards, based on the closing share price of the Company’s stock on the grant date for performance stock units subject to performance conditions, and based on the estimated fair value of the award using the Monte Carlo valuation model for performance stock units subject to market conditions. See Note 18 for further information concerning the Company’s share-based payments. The Black-Scholes option-pricing model and Monte Carlo valuation model require the input of subjective assumptions including the expected volatility of the underlying stock and the expected holding period of the option. These subjective assumptions are based on both historical and other information. Changes in the values assumed and used in the model can materially affect the estimate of fair value. Credit Risk The Company regularly reviews its accounts receivable and allowance for credit losses by considering factors such as historical experience, credit quality and age of the accounts receivable, and the current economic conditions that may affect a customer’s ability to pay. The majority of the Company’s sales are to leading automotive aftermarket parts suppliers. The Company participates in trade accounts receivable discount programs with its major customers. If the creditworthiness of any of its customers was downgraded, the Company could be adversely affected, in that it may be subjected to higher interest rates on the use of these discount programs or it could be forced to wait longer for payment. Should the Company’s customers experience significant cash flow problems, its financial position and results of operations could be materially and adversely affected, and the maximum amount of loss that would be incurred would be the outstanding receivable balance, Used Cores expected to be returned by customers, and the value of the Remanufactured Cores held at customers’ locations. The Company maintains an allowance for credit losses that, in its opinion, provide for an adequate reserve to cover losses that may be incurred. Deferred Compensation Plan The Company has a deferred compensation plan for certain members of management. The plan allows participants to defer salary and bonuses. The assets of the plan, which are held in a trust and are subject to the claims of the Company’s general creditors under federal and state laws in the event of insolvency, are recorded as short-term investments in the consolidated balance sheets. Consequently, the trust qualifies as a Rabbi trust for income tax purposes. The plan’s assets consist primarily of mutual funds and are recorded at market value with any unrealized gain or loss recorded as general and administrative expense. The carrying value of plan assets were $2,011,000 and $2,202,000, and the deferred compensation liability, which is included in other current liabilities in the accompanying consolidated balance sheets, was $2,011,000 and $2,202,000 at March 31, 2023 and 2022, respectively. During the years ended March 31, 2023, 2022, and 2021, the Company made contributions of $75,000, $119,000 and $96,000, respectively. During the year ended March 31, 2023, the Company redeemed $297,000 of its short-term investments for the payment of deferred compensation liabilities. During the year ended March 31, 2022, the Company did not redeem any of its short-term investments for the payment of deferred compensation liabilities. The following summarizes the gain (loss) on the Company’s equity investments:
|  | Years Ended March 31, |
|  | 2023 |  |  | 2022 |  |  | 2021 |
Net (loss) gain recognized on equity securities |  | $ | (181,000 | ) |  | $ | 163,000 |  |  | $ | 521,000 |
Less: net (loss) gain recognized on equity securities sold |  |  | (15,000 | ) |  |  | - |  |  |  | 10,000 |
Unrealized (loss) gain recognized on equity securities still held |  | $ | (166,000 | ) |  | $ | 163,000 |  |  | $ | 511,000 |
Comprehensive Income or Loss Comprehensive income or loss is defined as the change in equity during a period resulting from transactions and other events and circumstances from non-owner sources. The Company’s total comprehensive income or loss consists of net unrealized income or loss from foreign currency translation adjustments.

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