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Organization and Basis of Presentation | 12 Months Ended
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Dec. 31, 2020
Organization and Basis of Presentation |
Organization and Basis of Presentation | Note 1—Organization and Basis of Presentation Organization We are a commercial-stage biopharmaceutical company committed to discovering, developing and commercializing small-molecule and protein therapeutics for large-market as well as orphan indications targeting inflammation, complement-mediated diseases, disorders of the central nervous system, and immune-related diseases, including cancers. Our first drug product, OMIDRIA, is marketed in the United States (U.S.) for use during cataract surgery or intraocular lens replacement. Basis of Presentation Our consolidated financial statements include the financial position and results of operations of Omeros Corporation (Omeros) and our wholly owned subsidiaries. All inter-company transactions have been eliminated. The accompanying consolidated financial statements have been prepared in accordance with U.S. generally accepted accounting principles (GAAP). Certain prior year amounts in the balance sheet, statement of cash flows and the footnotes have been reclassified in the consolidated financial statements to conform to the current year presentation. Risks and Uncertainties Pass-through reimbursement for OMIDRIA under Medicare Part B expired on October 1, 2020, and consequently, our net revenues for September and the fourth quarter of 2020 were significantly reduced. In December 2020, the Centers for Medicare & Medicaid Services (CMS) confirmed that OMIDRIA, as an otherwise policy packaged drug following OMIDRIA’s expiration of pass-through status on October 1, 2020, qualifies for separate payment when used on Medicare Part B patients in the ambulatory surgery center (ASC) setting under CMS’ policy for non-opioid pain management surgical drugs. CMS made separate payment for OMIDRIA under this policy effective retroactively as of October 1. CMS’ current non-opioid separate payment policy and, as a result, separate payment for OMIDRIA thereunder, like other CMS policies in the OPPS and ASC systems, can be changed by CMS through its OPPS/ASC annual rulemaking and comment process. The outbreak of the novel strain of coronavirus that causes COVID-19 and the responses to the global pandemic by various governmental authorities, the medical community and others continue to have a significant impact on our business. Due to the unknown magnitude, duration and outcome of the COVID-19 pandemic, it is not possible to estimate precisely its impact on our business, operations or financial results; however, the impact has been and could continue to be substantial. We have filed our narsoplimab BLA application for HSCT-TMA with FDA. We anticipate, but cannot warrant, that narsoplimab will receive FDA approval and launch in the U.S. in 2021. Currently we cannot fully predict, if and when approved, the timing or the magnitude of narsoplimab revenues, but we believe they will be significant. Execution of our sales and marketing strategies for the launch of narsoplimab for HSCT-TMA is underway. These plans include various milestones at which we commit to incremental activities, providing for flexibility in the timing of costs incurred should the approval of narsoplimab be in advance of or following the current PDUFA date. If appropriate, we will adjust the timing and associated costs of our HSCT-TMA launch activities as we advance through the BLA review and approval process. We plan to continue to fund our operations for at least the next twelve months with our cash and investments on hand, from sales of OMIDRIA and, if FDA approval is granted, from sales of narsoplimab for HSCT-TMA. In addition, we may utilize funds available under our accounts receivable-based line of credit, which allows us to borrow up to 85% of our available accounts receivable borrowing base less certain reserves or $50.0 million, whichever is less. We may also sell shares of our common stock through our “at the market” equity offering program. Should it be necessary or determined to be strategically advantageous, we also could pursue debt financings, public and private offerings of our equity securities similar to those we have completed previously, or other strategic transactions, which may include licensing all or a portion of any of our existing technologies. Should it be necessary to manage our operating expenses, we would reduce our projected cash requirements through reduction of our expenses by delaying clinical trials, reducing selected research and development efforts, or implementing other restructuring activities. Segments We operate in one segment. Management uses cash flow as the primary measure to manage our business and does not segment our business for internal reporting or decision-making. Use of Estimates The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. Significant items subject to such estimates include revenue recognition, stock-based compensation expense, and accruals for clinical trials and manufacturing of drug product. We base our estimates on historical experience and on various other factors, including the impact of the COVID-19 pandemic, that we believe are reasonable under the circumstances; however, actual results could differ from these estimates.

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