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Significant Accounting Policies (Policies) | 3 Months Ended
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Mar. 31, 2024
Accounting Policies [Abstract] |
Cash and Cash Equivalents, Policy [Policy Text Block] | Cash, Cash Equivalents and Investments Cash equivalents include short-term investments in money market funds and certificates of deposit with an original maturity of three months or less when purchased. Accounts at each U.S. institution are insured by the Federal Deposit Insurance Corporation ("FDIC") up to $250,000. Substantially all of our U.S. cash and cash equivalents balances are in excess of the FDIC insured limit. The Company periodically invests its excess cash in money market funds and U.S. Treasury Bills. The Company's cash and cash equivalents are placed with high credit quality financial institutions. The Company has held to maturity securities comprised of U.S. Treasury Bills. These investments are classified as held to maturity as the Company has the intent and ability to hold these investments until they mature. The held to maturity securities mature within the next 12 months. The table below shows the amortized costs, associated gross unrealized gains and associated fair value of the held to maturity securities at March 31, 2024:
|  | Amortized Cost |  |  | Gross Unrealized Gain |  |  | Fair Value |
Held to maturity U.S. Treasury securities |  | $ | 49,900 |  |  | $ | 535 |  |  | $ | 50,435 |
In determining the fair value of the Company's held to maturity U.S. Treasury securities, the Company utilized Level 1 inputs of the market price for comparable securities as of March 31 2024.
Investment, Policy [Policy Text Block] | Investments We account for non-marketable investments using the equity method of accounting if the investment gives us the ability to exercise significant influence over, but not control, of an investee. Significant influence generally exists if we have an ownership interest representing between 20% and 50% of the voting stock of the investee. Under the equity method of accounting, investments are stated at initial cost and are adjusted for subsequent additional investments and our proportionate share of earnings or losses and distributions. Equity in earnings of unconsolidated affiliates, in the consolidated statements of operations, reflects our proportionate share of the investee's net income, including any associated affiliate taxes. Our proportionate share of the investee’s other comprehensive income (loss), net of income taxes, is recorded in the consolidated statements of stockholders’ equity and consolidated statements of comprehensive income. In general, the equity investment in our unconsolidated affiliates is equal to our original equity investment plus our share of those entities' undistributed earnings subsequent to our investment . We evaluate our equity method investments for impairment at least annually or whenever events or changes in circumstances indicate, in management’s judgment, that the carrying value of an investment may have experienced an other-than-temporary decline in value. When evidence of loss in value has occurred, management compares the estimated fair value of the investment to the carrying value of the investment to determine whether an impairment has occurred. If the estimated fair value is less than the carrying value and management considers the decline in value to be other than temporary, the excess of the carrying value over the estimated fair value is recognized in the financial statements as an impairment. See Note 2, "Investment in Innolectric", below, for our discussion on specific equity method investments. Where we are unable to exercise significant influence over the investee, or when our investment balance is reduced to zero from our proportionate share of losses, the investments are accounted for under the cost method. Under the cost method, investments are carried at cost and adjusted only for other-than-temporary declines in fair value, distributions of earnings, additional investments, or in the case of an observable price change in an orderly transaction for an identical security. All amounts included in the tables to these notes to condensed consolidated financial statements, except per share amounts, are in thousands.
New Accounting Pronouncements, Policy [Policy Text Block] | Recently Adopted Accounting Standards In March 2020, the Financial Accounting Standards Board ("FASB") issued Accounting Standard Update ("ASU") 2020-04, Reference Rate Reform (Topic 848): Facilitation of the Effects of Reference Rate Reform on Financial Reporting ("ASU 2020-04"). ASU 2020-04 provides temporary optional guidance on contract modifications and hedging accounting to ease the financial reporting burdens of the market transition from the London Interbank Offered Rate (“LIBOR”) to alternative reference rates. In January 2021, the FASB issued ASU 2021-01, which refined the scope of Topic 848 and clarified some of its guidance as part of the FASB’s monitoring of global reference rate activities. This updated guidance was effective upon issuance, and the Company was initially allowed to elect to apply the amendments prospectively through December 31, 2022. In December 2022, the FASB issued ASU 2022-06, Reference Rate Reform (Topic 848), Deferral of the Sunset Date of Topic 848, which extended the date by which companies could elect to apply the amendments to December 31, 2024. During January 2023, the Company amended its credit agreement and related interest rate swap agreements to transition the reference rate from LIBOR to a Secured Overnight Financing Rate ("SOFR") effective January 31, 2023. In connection with these amendments, the Company adopted ASU 2020-04 in the first quarter of 2023 and elected to apply the relevant practical expedients within the guidance. The adoption of this guidance did not have a material impact on the Company's consolidated financial statements. In June 2016, the FASB issued ASU 2016-13, Financial Instruments – Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments (“ASU 2016-13”), as amended. The new guidance broadens the information that an entity must consider in developing its expected credit loss estimates related to its financial instruments and adds to U.S. GAAP an impairment model that is based on expected losses rather than incurred losses. On January 1, 2023, the Company adopted ASU 2016-13. The adoption of this standard did not have a material impact on the Company's consolidated financial statements. Accounting Standards Issued But Not Yet Adopted In November 2023, the FASB issued ASU 2023-07, Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures, which requires a public entity to disclose significant segment expenses and other segment items on an annual and interim basis and provide in interim periods all disclosures about a reportable segment’s profit or loss and assets that are currently required annually. Additionally, it requires a public entity to disclose the title and position of the Chief Operating Decision Maker (CODM). The ASU does not change how a public entity identifies its operating segments, aggregates them, or applies the quantitative thresholds to determine its reportable segments. The new standard is effective for fiscal years beginning after December 15, 2023, and interim periods within fiscal years beginning after December 15, 2024, with early adoption permitted. A public entity should apply the amendments in this ASU retrospectively to all prior periods presented in the financial statements. We expect this ASU to only impact our disclosures with no impacts to our results of operations, cash flows and financial condition. In December 2023, the FASB issued ASU 2023-09, Income Taxes (Topic 740): Improvements to Income Tax Disclosures, which focuses on the rate reconciliation and income taxes paid. ASU 2023-09 requires a public business entity (PBE) to disclose, on an annual basis, a tabular rate reconciliation using both percentages and currency amounts, broken out into specified categories with certain reconciling items further broken out by nature and jurisdiction to the extent those items exceed a specified threshold. In addition, all entities are required to disclose income taxes paid, net of refunds received disaggregated by federal, state/local, and foreign and by jurisdiction if the amount is at least 5% of total income tax payments, net of refunds received. For PBEs, the new standard is effective for annual periods beginning after December 15, 2024, with early adoption permitted. An entity may apply the amendments in this ASU prospectively by providing the revised disclosures for the period ending December 31, 2025 and continuing to provide the pre-ASU disclosures for the prior periods, or may apply the amendments retrospectively by providing the revised disclosures for all periods presented. We expect this ASU to only impact our disclosures with no impacts to our results of operations, cash flows, and financial condition.

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- Definition Disclosure of accounting policy for cash and cash equivalents, including the policy for determining which items are treated as cash equivalents. Other information that may be disclosed includes (1) the nature of any restrictions on the entity's use of its cash and cash equivalents, (2) whether the entity's cash and cash equivalents are insured or expose the entity to credit risk, (3) the classification of any negative balance accounts (overdrafts), and (4) the carrying basis of cash equivalents (for example, at cost) and whether the carrying amount of cash equivalents approximates fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482913/230-10-50-1 + Details
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