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Recently Issued Accounting Pronouncements (Policies)
3 Months Ended
Aug. 31, 2026
Accounting Changes and Error Corrections [Abstract]  
Revenue Recognition
Revenue Recognition
Under ASC 606, Revenue from Contracts with Customers, revenue is recognized when a customer obtains control of promised goods or services, in an amount that reflects the consideration which the Company expects to receive in exchange for those goods or services. To determine revenue recognition for arrangements, the Company performs the following five steps: (i) identify the contract(s) with a customer; (ii) identify the performance obligations in the contract; (iii) determine the transaction price; (iv) allocate the transaction price to the performance obligations in the contract; and (v) recognize revenue when (or as) the entity satisfies a performance obligation.
Revenue Recognition
Revenue is recognized when control of the product is transferred to the customer (i.e., when the Company’s performance obligation is satisfied), which occurs at a point in time, and may be upon shipment from the Company’s manufacturing site or delivery to the customer’s named location, based on the shipping terms of a contract.
In determining whether control has transferred, the Company considers if there is a present right to payment from the customer and when physical possession, legal title and risks and rewards of ownership have transferred to the customer.
The Company typically invoices customers upon satisfaction of identified performance obligations. As the Company’s standard payment terms are 30 to 90 days from invoicing, the Company does not provide any significant financing to its customers.
The Company enters into agreements to place placement and evaluation units (“units”) at customer sites, but the Company retains title to the units. For the duration of these agreements the customer has the right to use the unit at no upfront charge in connection with the customer’s ongoing purchase of disposables. These types of agreements include an embedded operating lease for the right to use the units. In these arrangements, revenue recognized for the sale of the disposables is not allocated between the disposable revenue and lease revenue due to the insignificant value of the units in relation to the total agreement value.
Sales, value add, and other taxes collected on behalf of third parties are excluded from revenue.
Variable Consideration
Revenue from product sales are recorded at the net sales price (transaction price), which includes estimates of variable consideration for which reserves are established for discounts, product returns, rebates and allowances that are offered within contracts between the Company and its customers. The Company generally offers customers a limited right of return. Product returns after 30 days must be pre-approved by the Company and customers may be subject to a 20% restocking charge. To be accepted, a returned product must be unadulterated, undamaged and have at least twelve months remaining prior to its expiration date. The Company estimates the amount of its product sales that may be returned by its customers and records this estimate as a reduction of revenue in the period the related product revenue is recognized. The Company currently estimates product return liabilities using its historical product return information and considers other factors that it believes could significantly impact its expected returns, including product recalls. Discounts and product returns are based on amounts earned or to be claimed on the related sales and are classified as a contra asset. During the three months ended August 31, 2026 and 2025, such product returns were not material. The Company provides certain customers with rebates and allowances that are explicitly stated in the Company’s contracts and are recorded as a reduction of revenue in the period the related product revenue is recognized. The Company establishes reserves for such amounts, which is included in "Accrued liabilities" in the accompanying Consolidated Balance Sheets. These rebates and allowances result from performance-based offers that are primarily based on attaining contractually specified sales volumes. The Company is also required to pay administrative fees to group purchasing organizations.
Contract Balances with Customers
A receivable is generally recognized in the period the Company ships the product. Payment terms on invoiced amounts are based on contractual terms with each customer and generally coincide with revenue recognition. Accordingly, the Company does not have any contract assets associated with the future right to invoice its customers. In some cases, if control of the product has not yet transferred to the customer or the timing of the payments made by the customer precedes the Company’s fulfillment of the performance obligation, the Company recognizes a contract liability that is included in deferred revenue in "Accrued liabilities" in the accompanying Consolidated Balance Sheets.
Costs to Obtain or Fulfill a Customer Contract
Under ASC 606, the Company may recognize an asset for incremental costs of obtaining a contract with a customer if it expects to recover those costs. The Company’s sales incentive compensation plans qualify for capitalization since these plans are directly related to sales achieved during a period of time. However, the Company has elected the practical expedient under ASC 340-40-25-4 to expense the costs as they are incurred within selling and marketing expenses since the amortization period is less than one year.
The Company accounts for shipping and handling activities related to contracts with customers as costs to fulfill the promise to transfer the associated products. Shipping and handling costs, associated with the distribution of finished products to customers, are recorded in costs of goods sold and are recognized when the related finished product is shipped to the customer. Amounts charged to customers for shipping and handling are recorded in net sales.
Recently Issued Accounting Pronouncements
Recently Issued Accounting Pronouncements - Adopted
StandardDescriptionEffective DateEffect on the Consolidated Financial Statements
ASU 2025-05, Financial Instruments-Credit Losses (Topic 326): Measurement of Credit Losses for Accounts Receivable and Contract Assets
This ASU addresses challenges encountered when applying the guidance to current account receivable and current contract assets arising from transactions accounted for under Topic 606, Revenue from Contracts with Customers.June 1, 2026The Company elected the practical expedient for accounts receivable and there were no impacts to the consolidated financial statements as a result.
Recently Issued Accounting Pronouncements - Not Yet Applicable or Adopted
StandardDescriptionEffective DateEffect on the Consolidated Financial Statements
ASU 2024-03, Income Statement-Reporting Comprehensive Income-Expense Disaggregation Disclosures (Subtopic 220-04): Disaggregation of Income Statement Expenses
This ASU improves the disclosures about a public business entity's costs and expenses by requiring the Company to disclose more detailed information about the types of expenses (including purchases of inventory, employee compensation, depreciation, amortization and depletion) included in each relevant income statement caption.June 1, 2027The Company plans to adopt the new standard for the fiscal year 2028 and is assessing the impact to the consolidated financial statements.
ASU 2025-11, Interim Reporting (Topic 270): Narrow-Scope Improvements
This ASU improves the guidance in Topic 270 by improving the navigability of the required interim disclosures and clarifying when that guidance is applicable. The amendments also provide additional guidance on what disclosures should be provided in interim reporting periods and adds to Topic 270 a principle that requires entities to disclose events since the end of the last annual reporting period that have a material impact on the entity.June 1, 2028The Company plans to adopt the new standard for the fiscal year 2029 and is assessing the impact to the consolidated financial statements.
There have been no material changes to our critical accounting policies since our Annual Report on Form 10-K for fiscal year ended May 31, 2026.