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v3.24.2

CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 12 Months Ended
--- | ---
May 31, 2024 | May 31, 2023 | May 31, 2022
Cash flows from operating activities: |  |  |
Net income | $ 33,156 | $ 14,557 | $ 9,450
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Stock-based compensation expense | 2,518 | 2,748 | 3,006
Depreciation and amortization | 657 | 450 | 356
Deferred income taxes | (20,773) | 0 | 0
Accretion of investment discount | (130) | (576) | 0
Amortization of operating lease right-of-use assets | 706 | 649 | 689
Provision for credit losses | 0 | 24 | 0
Gain from forgiveness of PPP loan | 0 | 0 | (1,698)
Changes in operating assets and liabilities: |  |  |
Accounts receivable | 6,790 | (3,788) | (7,834)
Inventories | (13,732) | (9,469) | (6,674)
Prepaid expenses and other current assets | (875) | 28 | (71)
Accounts payable | (3,891) | 5,044 | 1,356
Accrued expenses | (792) | 528 | 1,464
Deferred revenue | (1,469) | 369 | 2,196
Operating lease liabilities | (423) | (561) | (738)
Income taxes payable | 14 | 8 | 6
Net cash provided by operating activities | 1,756 | 10,011 | 1,508
Cash flows from investing activities: |  |  |
Proceeds from maturities of investments | 18,000 | 16,000 | 0
Purchases of investments | 0 | (33,294) | 0
Purchases of property and equipment | (749) | (1,362) | (416)
Net cash provided by (used in) investing activities | 17,251 | (18,656) | (416)
Cash flows from financing activities: |  |  |
Proceeds from issuance of common stock under employee plans | 1,807 | 2,562 | 3,560
Shares repurchased for tax withholdings on vesting of restricted stock units, amount | (1,596) | (2,060) | (429)
Proceeds from issuance of common stock, net of issuance costs | (72) | 6,820 | 24,030
Line of credit repayments, net | 0 | 0 | (1,400)
Net cash provided by financing activities | 139 | 7,322 | 25,761
Effect of exchange rate changes on cash, cash equivalents and restricted cash | (41) | (37) | 49
Net increase (decrease) in cash, cash equivalents and restricted cash | 19,105 | (1,360) | 26,902
Cash, cash equivalents and restricted cash, beginning of year (1) | 30,204 | 31,564 | 4,662
Cash, cash equivalents and restricted cash, end of year (1) | 49,309 | 30,204 | 31,564
Supplemental cash flow information: |  |  |
Income taxes paid | 90 | 21 | 4
Interest paid | 0 | 15 | 12
Supplemental disclosure of non-cash flow information: |  |  |
Net transfer of equipment between inventory and property and equipment | $ 357 | $ 646 | $ 472

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