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Summary of Significant Accounting Policies (Policies)
6 Months Ended
Jun. 30, 2026
Summary of Significant Accounting Policies  
Unaudited Condensed Interim Financial Information

Unaudited Condensed Interim Financial Information

The condensed consolidated balance sheet at December 31, 2025 was derived from audited consolidated financial statements but does not include all disclosures required by GAAP. The accompanying unaudited condensed consolidated financial statements as of June 30, 2026 and for the three and six months ended June 30, 2026 and 2025 have been prepared by the Company pursuant to the rules and regulations of the Securities and Exchange Commission (“SEC”) for interim financial statements. Certain information and footnote disclosures normally included in the consolidated financial statements prepared in accordance with GAAP have been condensed or omitted pursuant to such rules and regulations. Therefore, these condensed consolidated financial statements should be read in conjunction with the Company’s audited consolidated financial statements and the notes thereto for the year ended December 31, 2025 included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2025 on file with the SEC. In the opinion of management, all adjustments, consisting only of

normal recurring adjustments necessary for a fair statement of the Company’s financial position as of June 30, 2026 and results of operations for the three and six months ended June 30, 2026 and 2025 and statements of stockholders’ equity for the three and six months ended June 30, 2026 and 2025 and cash flows for the six months ended June 30, 2026 and 2025 have been made. The Company’s results of operations for the three and six months ended June 30, 2026 are not necessarily indicative of the results of operations that may be expected for the year ending December 31, 2026 or any other period.

Use of Estimates

Use of Estimates

The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities at the date of the financial statements, and the reported amounts of revenue and expenses during the reporting periods. Significant estimates and assumptions reflected in these condensed consolidated financial statements include, but are not limited to, revenue recognition and accounts receivable, the valuation of inventory, fair value of assets acquired and liabilities assumed in acquisitions, fair value of contingent consideration, and the valuation of stock-based awards. The Company bases its estimates on historical experience, known trends and other market-specific or other relevant factors that it believes to be reasonable under the circumstances. Due to the impact of elevated inflation and interest rates, and changes in countries’ trade policies and tariffs and changes in interest rates, there has been uncertainty and disruption in the global economy and financial markets. The Company is not aware of any specific event or circumstance that would require further updates to its estimates or judgments or a revision of the carrying value of its assets or liabilities as of the date of issuance of these condensed consolidated financial statements. These estimates may change, as new events occur and additional information is obtained. On an ongoing basis, management evaluates its estimates as there are changes in circumstances, facts and experience. Changes in estimates are recorded in the period in which they become known. Actual results may differ from those estimates or assumptions.

Revenue Recognition

Revenue Recognition

The Company recognizes revenue from sales to customers under Accounting Standards Codification 606, Revenue from Contracts with Customers, or ASC 606 by applying the following five steps: (1) identification of the contract, or contracts, with a customer, (2) identification of the performance obligations in the contract, (3) determination of the transaction price, (4) allocation of the transaction price to the performance obligations in the contract and (5) recognition of revenue when, or as, performance obligations are satisfied.

For a contract with multiple performance obligations, the Company allocates the contract’s transaction price to each performance obligation on a relative standalone selling price basis using our best estimate of the standalone selling price of each distinct product or service in the contract. The primary method used to estimate standalone selling price is the price observed in standalone sales to customers; however, when prices in standalone sales are not available, the Company may use third party pricing for similar products or services or estimate the standalone selling price, which is set by management.

Allocation of the transaction price is determined at the contract’s inception and is not updated to reflect changes between contract inception and when the performance obligations are satisfied.

The Company derives revenue primarily from the sale of devices, consumables, accessories, software and services. Revenue is recognized when control of the promised devices, consumables, accessories, software or services is transferred to our customers, in an amount that reflects the consideration the Company expects to be entitled to in exchange for those devices, consumables, accessories, software or services (the transaction price). A performance obligation is a promise in a contract to transfer a distinct product or service to a customer and is the unit of accounting under ASC 606. For devices, consumables, accessories and software sold by us, control transfers to the customer at a point in time. To indicate the transfer of control, the Company must have a present right to payment, legal title must have passed to the customer, the customer must have the significant risks and rewards of ownership, and where acceptance is other than perfunctory, the customer must have accepted the product or service. The Company’s principal terms of sale are freight on board, or FOB, shipping point, or equivalent, and, as such, the Company primarily transfers control and record revenue for devices, consumables, accessories and software sales upon shipment. Sales arrangements with delivery terms that are not FOB shipping point are not recognized upon shipment and the transfer of control for revenue recognition is evaluated based on the associated shipping terms and customer obligations. If a performance obligation to the customer with respect to a sales transaction remains to be fulfilled following shipment (typically installation or acceptance by the customer), revenue recognition for that performance obligation is deferred until such commitments have been fulfilled. For extended warranty and support and software subscriptions, control transfers to the customer over the term of the arrangement. Revenue for extended warranty and support and software subscriptions is recognized based upon the period of time elapsed under the arrangement as this period represents the transfer of benefits or services under the agreement.

The Company also offers customers a subscription to our proprietary target library and companion software application, which together represent a single combined performance obligation, as the library has no substantive functionality separate from our hosted platform and the platform has no content to deliver absent the library. Because the customer simultaneously receives and consumes the benefit of continuous, updated access over the contract term, revenue for the subscription is recognized based upon the period of time elapsed under the arrangement, consistent with our recognition of extended warranty and support revenue.

From time to time, the Company generates revenue from short and long-term contracts associated with the design and development and delivery of detection devices or related design and support services.

Generally, revenue for long-term contracts is recognized based upon the cost-to-cost measure of progress, provided that the Company meets the criteria associated with transferring control of the good or service over time such as not creating an asset with an alternative use and having an enforceable right to payment for completed performance. However, the Company evaluates the proper revenue recognition on a contract by contract basis, as each contract generally contains terms specific to the underlying agreement which result in differing performance obligations and payment terms (cost plus, fixed price agreements among others). For revenue recognized under the cost-to-cost measure of progress basis, the Company continually assesses total costs expected to be incurred and if such costs require adjustment to the measure of progress, the Company records such adjustment as a change in estimate on a cumulative catch-up basis in the period of adjustment.

The Company includes the unconstrained amount of consideration in the transaction price. The amount included in the transaction price is constrained to the amount for which it is probable that a significant reversal of cumulative revenue recognized will not occur. At the end of each subsequent reporting period, as required by ASC 606, the Company re-evaluates the estimated consideration included in the transaction price and any related constraint, and if necessary, adjust its estimate of the overall transaction price. Any such adjustments are recorded on a cumulative catch-up basis in the period of adjustment.

Risk of Concentrations of Credit, Significant Customers and Significant Suppliers

Risk of Concentrations of Credit, Significant Customers and Significant Suppliers

Financial instruments that potentially expose the Company to concentrations of credit risk consist primarily of cash and cash equivalents, marketable securities, and accounts receivable. The Company’s cash and cash equivalents and restricted cash are maintained in bank deposit accounts and money market funds that regularly exceed federally insured limits. The Company is exposed to credit risk on its cash, cash equivalents and restricted cash in the event of default by the financial institutions to the extent account balances exceed the amount insured by the Federal Deposit Insurance Corporation (“FDIC”). The Company’s marketable securities are invested in U.S. treasury securities and agency bond and as a result, the Company believes represent minimal credit risk.

Significant customers are those that accounted for 10% or more of the Company’s total revenue or accounts receivable. Two customers represented 13% and 9% of total revenue, respectively, for the three months ended June 30, 2026 and one customer represented 11% of total revenue for the three months ended June 30, 2025.

For the six months ended June 30, 2026, two customers represented 12% and 11% of total revenue, respectively. For the comparable six months ended June 30, 2025, one customer represented 11% of total revenue.

As of June 30, 2026, one customer accounted for 32% of gross accounts receivable. As of December 31, 2025, one customer accounted for 34% of gross accounts receivable.

Certain of the components included in the Company’s products are obtained from a sole source, a single source or a limited group of suppliers. Although the Company seeks to reduce dependence on those limited sources of suppliers and manufacturers, the partial or complete loss of certain of these sources, or the requirement to establish a new supplier for the components, could have a material adverse effect on the Company’s operating results, financial condition and cash flows and damage its customer relationships.

Accounts Receivable

Accounts Receivable

Accounts receivable are presented net of an allowance for credit losses, which is an estimate of amounts that may not be collectible. The Company performs ongoing credit evaluations of its customers and monitors economic conditions to identify facts and circumstances that may indicate its receivables are at risk of not being collected. The Company provides reserves against accounts receivable for estimated credit losses, if any, that may result from a customer’s inability to pay based on the composition of its accounts receivable, current economic conditions and historical credit loss activity, and relevant available forward-looking information. Amounts deemed uncollectible are charged or written off against the reserve. The following is a summary of the activity of the Company’s allowance for credit losses (in thousands):

Three Months Ended June 30, 

Six Months Ended June 30, 

2026

  ​ ​ ​

2025

  ​ ​ ​

2026

  ​ ​ ​

2025

Balance at beginning of period

$

90

$

544

$

147

524

Current period change for expected credit loss

(48)

(28)

Deduction / recoveries collected

(377)

(57)

(377)

Balance at end of period

$

90

$

119

$

90

119

Goodwill and Intangible Assets

Goodwill and Intangible Assets

Goodwill is not amortized, but is evaluated for impairment on an annual basis, or on an interim basis when events or changes in circumstances indicate that the carrying value may not be recoverable. In assessing the recoverability of goodwill, the Company must make assumptions regarding the estimated future cash flows, and other factors, to determine the fair value. If these estimates or their related assumptions change in the future, the Company may be required to record impairment charges in the reporting period in which the impairment is determined.

The Company tests goodwill for impairment at the reporting unit level, which is the operating segment, in the fourth quarter of every fiscal year. The Company has the option of performing a qualitative assessment to determine whether further impairment testing is necessary before performing the quantitative assessment. If as a result of the qualitative assessment, it is more-likely-than-not that the fair value of its reporting unit is less than its carrying amount, a quantitative impairment test will be required. The quantitative goodwill impairment test requires management to estimate and compare the fair value of the reporting unit with its carrying value. If the fair value of the reporting unit exceeds the carrying value of the net assets, goodwill is not impaired. If the fair value of the reporting unit is less than the carrying value, the difference is recorded as an impairment loss.

Intangible assets with a finite useful life are recorded at cost, net of accumulated amortization and are amortized on a straight-line basis over their estimated useful lives as follows:

Customer Relationships

8 years

Developed Technology

15 years

Trade Name

2 years

Revenue from Contracts with Customers

Revenue from Contracts with Customers

The Company’s customers primarily consist of federal and defense entities, state authorities and local municipalities, foreign national and provincial organizations and other institutions.

Distribution Channels

A majority of the Company’s revenue is generated by sales in conjunction with its channel partners, such as its international channel partners and, in the United States, for end customers where a government contract is required or a customer has a pre-existing relationship. When the Company transacts with a channel partner, its contractual arrangement is with the partner and not with the end-use customer. Whether the Company transacts business with and receives the order from a channel partner or directly from an end-use customer, its revenue recognition policy and resulting pattern of revenue recognition for the order are the same.

Recently Issued Accounting Pronouncements and Recently Adopted Accounting Pronouncements

Recently Issued Accounting Pronouncements

In November 2024, the FASB issued ASU 2024-03, Income Statement - Reporting Comprehensive Income - Expense Disaggregation Disclosures (Subtopic 220-40): Disaggregation of Income Statement Expenses. The new standard requires additional disclosure of the nature of expenses included in the income statement as well as disclosures about specific types of expenses included in the expense captions presented in the income statement. ASU 2024-03 is effective for annual periods beginning after December 15, 2026, and interim reporting periods beginning after December 15, 2027. The Company is currently evaluating the impact of the ASU on its consolidated financial statements.

Recently Adopted Accounting Pronouncements

In July 2025, the FASB issued ASU 2025-05, Financial Instruments—Credit Losses (Topic 326) to introduce a practical expedient to calculating current expected credit loss by assuming that the current conditions as of the balance sheet date will not change for the remaining life of the asset. This expedient can only be applied to current accounts receivable and current contract assets. ASU 2025-05 is effective for annual reporting periods beginning after December 15, 2025, and interim periods within those annual periods, and this update is applied prospectively. The Company adopted ASU 2025-05 in the first quarter of 2026 and applied it prospectively, with no material impact on its consolidated financial statements.