v3.26.3
Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
3 Months Ended
Aug. 31, 2026
Aug. 31, 2025
Cash flows from operating activities:    
Net loss $ (7,097) $ (10,903)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization 5,498 5,950
Non-cash lease expense 366 445
Non-cash interest expense 72 70
Stock based compensation 4,502 4,470
Deferred income taxes (306) (16)
Change in accounts receivable allowances (57) 108
Fixed and intangible asset disposals 81 (27)
Other (707) 264
Changes in operating assets and liabilities:    
Accounts receivable 3,471 139
Inventories (2,715) (192)
Prepaid expenses and other (1,019) (5,525)
Accounts payable, accrued and other liabilities (17,419) (10,697)
Net cash used in operating activities (15,330) (15,914)
Cash flows from investing activities:    
Additions to property, plant and equipment (379) (731)
Additions to placement and evaluation units (2,769) (820)
Net cash used in investing activities (3,148) (1,551)
Cash flows from financing activities:    
Principal payments on financing arrangement (99) (91)
Proceeds (outlays) from issuances of shares of common stock (1,276) 234
Net cash (used in) provided by financing activities (1,375) 143
Effect of exchange rate changes on cash (38) 191
Decrease in cash (19,891) (17,131)
Cash at beginning of period 53,864 55,893
Cash at end of period 33,973 38,762
Supplemental disclosure of non-cash investing and financing activities:    
Accrual for capital expenditures incurred during the period $ (11) $ (94)