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Summary of Significant Accounting Policies (Policies) | 6 Months Ended
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Jun. 30, 2026
Accounting Policies [Abstract] |
Basis of Presentation | Basis of Presentation The unaudited condensed consolidated interim financial statements include the accounts of the Company and its subsidiaries and have been prepared in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”) and the requirements of the U.S. Securities and Exchange Commission (the “SEC”) for interim financial reporting. Intercompany balances and transactions have been eliminated in consolidation. As permitted under those rules, certain footnotes or other financial information that are normally required by U.S. GAAP can be condensed or omitted. Accordingly, these unaudited condensed consolidated interim financial statements should be read in conjunction with the audited consolidated financial statements included in the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2025 (the “2025 Form 10-K”) and the related notes, which provide a more complete discussion of the Company’s accounting policies and certain other information. The condensed consolidated balance sheet as of December 31, 2025 has been derived from the audited consolidated financial statements of the Company. These unaudited condensed consolidated interim financial statements have been prepared on the same basis as the Company’s annual consolidated financial statements and, in the opinion of management, reflect all adjustments, consisting only of normal recurring adjustments, which are necessary for the fair statement of the Company’s consolidated financial information. These interim results are not necessarily indicative of the results to be expected for the fiscal year ending December 31, 2026, or for any other interim period or for any other future year.
Reverse Stock Split | Reverse Stock Split O n June 27, 2025, the stockholders of the Company approved an amendment to the Company’s Certificate of Incorporation, as amended, to effect a reverse stock split of the issued and outstanding shares of the Company’s common stock, par value $0.00001 per share, at a ratio ranging from 1-for-5 and 1-for-50, with the exact ratio to be set within that range by the Company’s Board. On July 18, 2025, the Board approved the reverse stock split at a ratio of 1-for-15 (the “2025 Reverse Stock Split”). On July 25, 2025, the Company filed a Certificate of Amendment to the Company's Certificate of Incorporation, as amended with the Secretary of State of the State of Delaware to effect the 2025 Reverse Stock Split, effective as of July 28, 2025. As a result of the 2025 Reverse Stock Split, every 15 shares of the Company's common stock were automatically reclassified and converted into one issued and outstanding share of common stock. No fractional shares were issued in connection with the 2025 Reverse Stock Split. Any fractional shares resulting from the 2025 Reverse Stock Split were rounded up to the nearest whole share. The par value of the Company’s common stock was not adjusted as a result of the 2025 Reverse Stock Split nor did it change the total number of the Company's authorized shares of common stock. All of the Company’s share numbers, per share amounts, and related stockholders’ equity (deficit) balances presented herein have been retroactively adjusted to reflect the 2025 Reverse Stock Split. In addition, the exercise prices, conversion rates and other terms of the Company’s securities that adjusted pursuant to their terms as a result of the 2025 Reverse Stock Split have been presented after giving effect to such adjustments.
Notice of Delisting | Delisting from the New York Stock Exchange ("NYSE"), Trading on Over-the Counter ("OTC") and Listing on Nasdaq Stock Market ("Nasdaq") On September 10, 2024, the Company received written notice from the NYSE that the NYSE had determined to commence proceedings to delist the Company’s common stock and publicly traded warrants and that trading in such securities would be suspended immediately. On September 11, 2024, the Company commenced the trading of its common stock and warrants on the OTCQX Best Market. On August 19, 2025, the Company commenced trading of its common stock on the Nasdaq Stock Market LLC under the ticker symbol "VELO".
Going Concern | Going Concern, Financial Condition and Liquidity and Capital Resources The unaudited condensed consolidated interim financial statements have been prepared assuming the Company will continue as a going concern, which contemplates the realization of assets and the satisfaction of liabilities in the ordinary course of business. The Company has incurred recurring operating losses and negative cash flows from operations since inception and expects to continue to incur operating losses for the foreseeable future. As of June 30, 2026, the Company had an accumulated deficit of $516.7 million and cash and cash equivalents on hand of approximately $91.1 million. Management evaluated whether conditions and events raise substantial doubt about the Company's ability to continue as a going concern for the twelve-month period following the issuance of these unaudited condensed consolidated interim financial statements in accordance with ASC 205-40. In performing this assessment, management considered the Company's current liquidity position, historical operating cash flows, expected operating cash requirements, recurring working capital needs, scheduled debt obligations, and available financing alternatives. During the six months ended June 30, 2026, the Company completed a firm commitment underwritten registered direct offering that generated gross proceeds of approximately $50.0 million, entered into an At-the-Market equity program with an aggregate offering capacity of $100.0 million, issued shares of common stock upon conversion of secured convertible notes into equity by the holders thereof, and repaid certain debt obligations. Specific to the At-the-Market equity program, the Company entered into a sales agreement (the "Sales Agreement") with Needham & Company, LLC ("Needham"), Cantor Fitzgerald & Co. ("Cantor") and Craig-Hallum Capital Group, LLC ("Craig-Hallum") as agents, pursuant to which the Company may offer and sell, from time to time through the agents, shares of its common stock pursuant to the Company's effective shelf registration statement on Form S-3 (the “Shelf Registration Statement”), which was filed with the SEC on April 3, 2026 and declared effective on April 8, 2026, including the base prospectus contained in the Shelf Registration Statement, as supplemented by a prospectus supplement filed with the SEC on May 15, 2026 pursuant to Rule 424(b) under the Securities Act. As of June 30, 2026, the Company had sold 2.2 million shares pursuant to the Sales Agreement for gross proceeds of $59.4 million. After deducting issuance costs of $2.0 million, the Company received net proceeds of $57.4 million. Additional information regarding these transactions is included in Note 9, Debt, Note 10, Equity Instruments and Note 16, At-the-Market Offering to the unaudited condensed consolidated interim financial statements. Despite these improvements, management expects the Company will require additional financing to fund operations and satisfy its obligations throughout the assessment period due to continued operating losses, negative operating cash flows, and ongoing working capital requirements. Accordingly, management concluded that substantial doubt about the Company's ability to continue as a going concern continues to exist within one year after the date these unaudited condensed consolidated interim financial statements are issued. The Company intends to continue pursuing additional sources of capital, including equity and debt financings, strategic transactions, and other financing alternatives. However, there can be no assurance that such financing will be available on acceptable terms, or at all. If the Company is unable to obtain additional financing or otherwise improve its liquidity, it may be required to significantly reduce, delay, or discontinue operations, modify strategic initiatives, or pursue other alternatives. These unaudited condensed consolidated interim financial statements do not include any adjustments that might result from the outcome of this uncertainty.
Recently Adopted Accounting Pronouncements and Recently Issued Accounting Pronouncements | Recently Adopted Accounting Pronouncements In July 2025, the FASB issued ASU No. 2025-05, Financial Instruments—Credit Losses (Topic 326): Measurement of Credit Losses for Accounts Receivable and Contract Assets. The standard provides a practical expedient allowing entities to assume that current economic conditions at the measurement date remain unchanged over the remaining life of the receivable. The Company adopted this standard on January 1, 2026, on a prospective basis. The adoption of this standard did no t have a material impact on the Company’s unaudited condensed consolidated interim financial statements. Recently Issued Accounting Pronouncements In September 2025, the FASB issued ASU No. 2025-07, which (1) refines the scope of the guidance on derivatives in ASC Topic 815 and (2) clarifies the guidance on share-based payments from a customer in ASC Topic 606. The ASU is intended to address concerns about the application of derivative accounting to contracts that have features based on the operations or activities of one of the parties to the contract and to reduce diversity in the accounting for share-based payments in revenue contracts. ASU Topic 2025-07 is effective for annual reporting periods beginning after December 15, 2026, including interim reporting periods within those annual reporting periods. Early adoption of the standard is permitted in an interim or annual reporting period for which financial statements have not been issued or made available for issuance. If an entity elects to early adopt the standard in an interim period, the entity must apply the standard as of the beginning of the fiscal year that includes the interim period. The Company is currently evaluating the impact this standard will have on its condensed consolidated interim financial statements and related disclosures. In November 2024, the FASB issued ASU No. 2024-03, Income Statement—Reporting Comprehensive Income—Expense Disaggregation Disclosures (Subtopic 220-40). This update contains amendments that require disclosure, in the notes to financial statements, of specified information about certain costs and expenses. The amendments in this update are effective for public business entities for annual reporting periods beginning after December 15, 2026, and interim reporting periods beginning after December 15, 2027. Early adoption is permitted. The amendments are expected to impact only the Company's financial statement disclosures and are not expected to affect the recognition or measurement of amounts reported in the consolidated financial statements. The Company will continue to evaluate the impact of adopting this standard on its financial statement disclosures.
Product Warranties | Product Warranties Our 3D printers are sold with a warranty period of typically one year from installation. After the warranty period, we generally offer service contracts that enable our customers to continue service and maintenance coverage. These service contracts are offered with various levels of support and options and are priced accordingly. One entitlement of our service contracts is our service engineers provide periodic preventive maintenance visits to customer sites. Additionally, we provide training to our partners to enable them to also perform these services. Another contract entitlement on certain printer models is proactive remote troubleshooting capability through the Company’s integrated platform. From time to time, we also offer upgrade kits for certain of our printers that enable our existing customers to take advantage of new or enhanced printer capabilities. In some cases, we have discontinued upgrade support and maintenance agreements for certain of our older legacy printers. Printers and certain other products include a warranty that covers workmanship, software, and hardware components under which we provide maintenance for periods up to one year. For these initial product warranties, estimated costs are accrued at the time of the sale of the product. These cost estimates are established using historical information regarding the nature, frequency and average cost of claims for each type of printer or other product, as well as assumptions about future activity and events. Revisions to expense accruals are made as necessary based on changes in these historical and future factors.
Information by Segment and Geography | Information by Segment and Geography The Company manages its operations and allocates resources as a single operating segment. Further, the Company manages, monitors, and reports its financial results as a single reportable segment. The Company’s chief operating decision-maker (“CODM”) is its Chief Executive Officer, who reviews financial information presented on an entity wide basis for purposes of making operating decisions, assessing financial performance, and allocating resources. Specifically, our CODM uses consolidated net income to measure performance, allocate resources of the Company as a whole, including investing in future development efforts, customer retention and acquisition, and assessing performance. Further, the CODM reviews and utilizes functional expenses (cost of revenues, sales and marketing, research and development, and general and administrative) at the consolidated level to manage the Company’s operations. Other segment items included in the condensed consolidated net income are interest income, other expense, net and the provision for (benefit from) income taxes, which are reflected in the unaudited condensed consolidated statements of comprehensive income (loss).
Equipment Subject to Operating Lease | Equipment Subject to Operating Lease Our 3D printers subject to operating leases are classified using the following criteria:
|  | Equipment on Lease |  |  | Equipment Available for Lease |
Revenue generation— under contract or not under contract but held for potential redeployment to existing or new customers |  |  | Yes (lease income active) |  |  |  | No (not on active lease) |
Physical location— remains in a condition, location, and business context rendering it suitable for future lease arrangements |  |  | At customer site |  |  |  | At customer site, idle, or warehouse |
Intended use— for third party customers and not for internal usage |  |  | On Lease |  |  |  | Available for Lease |
Depreciation— the lesser of the useful life of the equipment or the contract period and annually tested for impairment |  |  | Yes, per original schedule |  |  |  | Yes, may accelerate if impaired |
If the 3D printer does not meet the above criteria, the equipment is classified under property and equipment, net. For more information, see Note 7, Equipment Subject to Operating Lease, Net, in the notes of the unaudited condensed consolidated interim financial statements included elsewhere in this Quarterly Report.
Reclassifications and Revision of Previously Issued Financial Statements | Reclassifications of Previously Issued Financial Statements Certain prior-period amounts in the unaudited condensed consolidated interim financial statements have been reclassified to conform to the current-period presentation. These reclassifications had no impact on previously reported total net income (loss), total cash flows, or total stockholders’ equity. Revision of Previously Filed Financial Statements The unaudited condensed consolidated interim financial statements as of and for the three and six months ended June 30, 2025, have been revised to reflect corrections to previously issued financial statements as presented in the Company’s Quarterly Report on Form 10-Q filed with the SEC on August 06, 2025. These revisions were originally disclosed in Note 2, Summary of Significant Accounting Policies—Revision of Previously Filed Financial Statements, in the Company's Form 10-K for the year ended December 31, 2025.

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