v3.25.2
Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
12 Months Ended
May 31, 2025
May 31, 2024
May 31, 2023
Cash flows from operating activities:      
Net loss $ (33,993) $ (184,349) $ (52,442)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities:      
Depreciation and amortization 25,800 27,712 30,873
Non-cash lease expense 1,958 1,931 2,484
Goodwill impairment 0 159,476 14,549
Stock based compensation 9,772 10,529 11,158
Gain on dispositions 0 (54,499) 0
Transaction costs for disposition 0 (5,084) 0
Change in fair value of contingent consideration 272 432 2,320
Deferred income tax provision (988) (7,968) (2,311)
Changes in accounts receivable allowances 699 1,326 695
Asset impairments and disposals 173 7,108 291
Write-off of other assets 0 869 0
Other 291 (62) (513)
Changes in operating assets and liabilities:      
Accounts receivable 23 7,894 (1,299)
Inventories (1,347) (9,410) (8,198)
Prepaid expenses and other 3,089 (11,594) 332
Accounts payable, accrued and other liabilities (15,877) 27,531 2,139
Net cash (used in) provided by operating activities (10,128) (28,158) 78
Cash flows from investing activities:      
Additions to property, plant and equipment (4,464) (2,518) (3,812)
Additions to placement and evaluation units (5,714) (5,015) (5,394)
Proceeds from sale of assets 0 134,500 0
Acquisition of intangibles 0 (3,250) (540)
Net cash (used in) provided by investing activities (10,178) 123,717 (9,746)
Cash flows from financing activities:      
Proceeds from issuance of and borrowings on long-term debt 0 0 70,000
Repayment of long-term debt 0 (50,000) (45,000)
Deferred financing costs on long-term debt (680) 0 (751)
Principal payments on financing arrangement (148) 0 0
Proceeds from financing arrangement 6,310 0 0
Payment of acquisition related contingent consideration (5,000) (15,000) 0
Repurchase of common stock (1,670) 0 0
Proceeds from exercise of stock options and employee stock purchase plan 933 752 1,171
Net cash (used in) provided by financing activities (255) (64,248) 25,420
Effect of exchange rate changes on cash and cash equivalents 398 125 43
Increase (decrease) in cash and cash equivalents (20,163) 31,436 15,795
Cash and cash equivalents at beginning of year 76,056 44,620 28,825
Cash and cash equivalents at end of year 55,893 76,056 44,620
Supplemental disclosure of non-cash investing and financing activities:      
Increase (decrease) in accounts payable for purchases of fixed assets (49) (78) 124
Cash paid during the year for:      
Interest 185 0 2,577
Income taxes $ 800 $ 455 $ 342