v3.25.2
Basis of Presentation, Business Description and Summary of Significant Accounting Policies (Tables)
 12 Months Ended
May 31, 2025
Accounting Policies [Abstract]  
Schedule of Property, Plant and Equipment Refer below for useful lives by category:
Estimated useful lives
Building and building improvements
3 to 39 years
Computer software and equipment
1 to 10 years
Machinery and equipment
3 to 11 years
Placement and evaluation units5 years
Property, plant and equipment are summarized as follows:
(in thousands)May 31, 2025May 31, 2024
Building and building improvements$16,604 $30,099 
Computer software and equipment29,038 28,407 
Machinery and equipment16,596 15,756 
Placement and evaluation units36,991 31,312 
Construction in progress3,794 2,638 
103,023 108,212 
Less accumulated depreciation(71,116)(69,675)
Less building impairment— (3,364)
31,907 35,173 
Land and land improvements393 493 
$32,300 $35,666 
Schedule of Recently Issued Accounting Pronouncements
Recently Issued Accounting Pronouncements - Adopted
StandardDescriptionEffective DateEffect on the Consolidated Financial Statements
ASU 2023-07, Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures
This ASU improves the reportable segment disclosure requirements, primarily through enhanced disclosures about significant segment expenses.
June 1, 2024The Company adopted the new standard in fiscal year 2025 and the related additional disclosures are contained in Note 18 to the consolidated financial statements in this Annual Report on Form 10-K.
Recently Issued Accounting Pronouncements - Not Yet Applicable or Adopted
StandardDescriptionEffective DateEffect on the Consolidated Financial Statements
ASU 2023-09, Income Taxes (Topic 740): Improvements to Income Tax Disclosures
This ASU improves the income tax disclosure requirements on an annual basis by (1) disclose specific categories in the rate reconciliation and (2) provide additional information for reconciling items that meet a quantitative threshold.
June 1, 2025The Company plans to adopt the new standard in the first quarter of fiscal year 2026 and is assessing the impact to 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.