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v3.23.2

Consolidated Statements of Cash Flows - USD ($) | 12 Months Ended
--- | ---
May 31, 2023 | May 31, 2022 | May 31, 2021
Cash flows from operating activities: |  |  |
Net loss | $ (52,442,000) | $ (26,547,000) | $ (31,548,000)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities: |  |  |
Depreciation and amortization | 30,873,000 | 29,349,000 | 25,916,000
Non-cash lease expense | 2,484,000 | 2,439,000 | 2,456,000
Goodwill impairment | 14,549,000 | 0 | 0
Stock based compensation | 11,158,000 | 10,692,000 | 8,625,000
Change in fair value of contingent consideration | 2,320,000 | 1,212,000 | 89,000
Deferred income tax provision | (2,311,000) | (3,708,000) | (4,805,000)
Changes in accounts receivable allowances | 695,000 | 118,000 | 207,000
Asset impairments and disposals | 291,000 | 391,000 | 14,228,000
Other | (513,000) | (93,000) | (147,000)
Changes in operating assets and liabilities: |  |  |
Accounts receivable | (1,299,000) | (17,151,000) | (4,162,000)
Inventories | (8,198,000) | (2,796,000) | 11,539,000
Prepaid expenses and other | 332,000 | (5,012,000) | (3,181,000)
Accounts payable, accrued and other liabilities | 2,139,000 | 3,912,000 | 4,876,000
Net cash provided by (used in) operating activities | 78,000 | (7,194,000) | 24,093,000
Cash flows from investing activities: |  |  |
Additions to property, plant and equipment | (3,812,000) | (4,297,000) | (5,187,000)
Additions to placement and evaluation units | (5,394,000) | (11,410,000) | (8,524,000)
Cash paid for acquisitions | 0 | (3,600,000) | 0
Acquisition of intangibles | (540,000) | 0 | 0
Net cash used in investing activities | (9,746,000) | (19,307,000) | (13,711,000)
Cash flows from financing activities: |  |  |
Proceeds from issuance of and borrowings on long-term debt | 70,000,000 | 0 | 0
Repayment of long-term debt | (45,000,000) | 0 | (20,000,000)
Proceeds from borrowings on long-term debt | 0 | 5,000,000 | 0
Deferred financing costs on long-term debt | (751,000) | 0 | 0
Proceeds from exercise of stock options and employee stock purchase plan | 1,171,000 | 2,683,000 | 3,014,000
Net cash provided by (used in) financing activities | 25,420,000 | 7,683,000 | (16,986,000)
Effect of exchange rate changes on cash and cash equivalents | 43,000 | (518,000) | 330,000
Increase (decrease) in cash and cash equivalents | 15,795,000 | (19,336,000) | (6,274,000)
Cash and cash equivalents at beginning of year | 28,825,000 | 48,161,000 | 54,435,000
Cash and cash equivalents at end of year | 44,620,000 | 28,825,000 | 48,161,000
Supplemental disclosure of non-cash investing and financing activities: |  |  |
Increase (decrease) in accounts payable for purchases of fixed assets | 124,000 | 14,000 | (139,000)
Cash paid during the year for: |  |  |
Interest | 2,577,000 | 562,000 | 731,000
Income taxes | $ 342,000 | $ 329,000 | $ 313,000

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