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Consolidated Statements of Cash Flows (Unaudited) - USD ($) | 3 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Cash flows from operating activities |  |
Net (loss) income | $ (5,268,000) | $ 14,255,000
Adjustments to reconcile net income to net cash provided by (used in) operating activities: |  |
Depreciation and amortization | 1,695,000 | 1,353,000
Gain on sale of property, plant, and equipment | (44,000) | 0
Amortization of discount on investments | (1,160,000) | (218,000)
Deferred taxes | (320,000) | (80,000)
Stock-based compensation | 1,271,000 | 660,000
Changes in operating assets and liabilities, net of acquired amounts: |  |
Accounts receivable | 11,750,000 | (549,000)
Inventories, net | 4,169,000 | (6,505,000)
Other assets | 815,000 | (176,000)
Accounts payable and accrued expenses | (5,081,000) | (7,637,000)
Net cash provided by operating activities | 7,827,000 | 1,103,000
Cash flows from investing activities |  |
Purchases of property, plant and equipment and intangible assets | (2,412,000) | (2,213,000)
Purchases of investments | (47,748,000) | (98,881,000)
Proceeds from maturities of investments | 51,068,000 | 0
Net cash provided by (used in) investing activities | 908,000 | (101,094,000)
Cash flows from financing activities |  |
Repayment of long-term debt | 0 | (16,700,000)
Proceeds from issuance of common stock under employee stock purchase plan | 250,000 | 299,000
Repurchase of shares for payment of withholding taxes for stock grants | (236,000) | (954,000)
Tax withholding and proceeds related to exercise of stock options | 0 | (342,000)
Issuance of stock under equity compensation plans | 0 | 954,000
Net proceeds from issuance of common stock | 0 | 130,262,000
Repurchase of common stock | 12,185,000 | (0)
Net cash (used in) provided by financing activities | (12,171,000) | 113,519,000
Effect of exchange rates on cash | 93,000 | 135,000
(Decrease) increase in cash and cash equivalents | (3,343,000) | 13,663,000
Cash and cash equivalents, beginning of year | 37,827,000 | 16,650,000
Cash and cash equivalents, end of year | 34,484,000 | 30,313,000
Supplemental disclosures for cash flow information |  |
Cash paid during the year for income taxes | 61,000 | 0
Cash paid for interest | 86,000 | 205,000
Non-cash financing activities |  |
Cashless exercise of stock options | $ 0 | $ 431,000

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