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Note 1 - Basis of Presentation | 9 Months Ended
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Sep. 26, 2020
Notes to Financial Statements |
Basis of Presentation and Significant Accounting Policies [Text Block] | Note 1 - Basis of Presentation Lattice Semiconductor Corporation, a Delaware corporation, and its subsidiaries (“Lattice,” the “Company,” “we,” “us,” or “our”) develop technologies that we monetize through differentiated programmable logic semiconductor products, system solutions, design services, and licenses. Lattice was founded in 1983 and is headquartered in Hillsboro, Oregon. Basis of Presentation and Use of Estimates The accompanying Consolidated Financial Statements are unaudited and have been prepared in accordance with U.S. Generally Accepted Accounting Principles ("U.S. GAAP") and pursuant to the rules and regulations of the Securities and Exchange Commission ("SEC"). In our opinion, they include all adjustments, consisting only of normal recurring adjustments, necessary for the fair presentation of results for the interim periods. Certain information and footnote disclosures normally included in financial statements prepared in accordance with U.S. GAAP have been condensed or omitted as permitted by the SEC's rules and regulations for interim reporting. These Consolidated Financial Statements should be read in conjunction with our audited financial statements and notes thereto included in our Annual Report on Form 10-K for the year ended December 28, 2019 ("2019 10-K"). The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and judgments affecting the amounts reported in our consolidated condensed financial statements and the accompanying notes. The actual results that we experience may differ materially from our estimates. As of September 26, 2020, the extent to which the COVID-19 pandemic will impact our business going forward depends on numerous dynamic factors which we cannot reliably predict. As a result, some of our estimates and assumptions required increased judgment and carry a higher degree of variability and volatility. As the events continue to evolve with respect to the pandemic, our estimates may materially change in future periods. We describe our accounting methods and practices in more detail in our 2019 10-K. There have been no changes to the significant accounting policies, procedures, or general information described in our 2019 10-K that have had a material impact on our consolidated financial statements and related notes. Fiscal Reporting Periods We report based on a 52 or 53-week fiscal year ending on the Saturday closest to December 31. Our fiscal 2020 will be a 53-week year and will end on January 2, 2021, and our fiscal 2019 was a 52-week year that ended December 28, 2019. Our third quarter of fiscal 2020 and third quarter of fiscal 2019 ended on September 26, 2020 and September 28, 2019, respectively. All references to quarterly or nine months ended financial results are references to the results for the relevant 13-week or 39-week fiscal period. Concentrations of Risk Distributors have historically accounted for a significant portion of our total revenue. Revenue attributable to distributors as a percentage of total revenue was 82% and 81% for the third quarter of fiscal 2020 and 2019, respectively, and 81% and 82% for the nine months ended September 26, 2020 and September 28, 2019, respectively. Distributors also account for a substantial portion of our net accounts receivable. Our two largest distributors accounted for 53% and 31% of net accounts receivable at September 26, 2020 and 40% and 38% of net accounts receivable at December 28, 2019. No other distributor or end customer accounted for more than 10% of net accounts receivable at these dates. Recently Issued Accounting Standards In December 2019, the FASB issued ASU 2019-12, Income Taxes (Topic 740): Simplifying the Accounting for Income Taxes, which adds new guidance for accounting for tax law changes, year-to-date losses in interim periods, and determining how to apply the income tax guidance to franchise taxes that are partially based on income, as well as other changes to simplify accounting for income taxes. The ASU is effective for public companies for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2020. Entities may early adopt the ASU in any interim period for which financial statements have not yet been issued (or made available for issuance). We are currently assessing the impact of ASU 2019-12 on our consolidated financial statements and related disclosures.

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- Definition The entire disclosure for the basis of presentation and significant accounting policies concepts. Basis of presentation describes the underlying basis used to prepare the financial statements (for example, US Generally Accepted Accounting Principles, Other Comprehensive Basis of Accounting, IFRS). Accounting policies describe all significant accounting policies of the reporting entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -URI http://asc.fasb.org/topic&trid=2122369 + Details
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