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Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Cash flows from operating activities: |  |
Net loss | $ (11,111) | $ (35,041)
Adjustments to reconcile net loss to net cash used in operations: |  |
Depreciation and amortization | 4,494 | 5,361
Stock-based compensation expense | 4,652 | 4,729
Provision for excess and obsolete inventory | 1,970 | 1,467
Deferred income taxes | 65 | 24
Change in fair value of contingent consideration | 4,922 | 70
China dissolution | 0 | 1,921
Other non-cash items | 44 | 600
Unrealized foreign exchange gain on cash and cash equivalents | (2) | (226)
Changes in operating asset and liability accounts: |  |
Accounts receivable | 4,340 | (10,360)
Inventory | (6,841) | (14,796)
Prepaid expenses and other current assets | 6,313 | (5,757)
Accounts payable and accrued expenses | (13,825) | 8,660
Deferred revenue | 7,117 | 20,863
Net cash provided by (used in) operating activities | 2,138 | (22,485)
Cash flows from investing activities: |  |
Purchases of property, plant and equipment | (934) | (1,236)
Change in other assets | (27) | (281)
Net cash used in investing activities | (961) | (1,517)
Cash flows from financing activities: |  |
Repayment of debt | (65) | (73)
Proceeds from public equity offering, net | 65,227 | 0
Proceeds from exercise of ESPP | 279 | 235
Net cash provided by financing activities | 65,441 | 162
Effect of exchange rate changes on cash, cash equivalents and restricted cash | (13) | 29
Net increase (decrease) in cash, cash equivalents and restricted cash | 66,605 | (23,811)
Cash, cash equivalents and restricted cash at beginning of year | 25,675 | 49,486
Cash, cash equivalents and restricted cash at end of year | 92,280 | 25,675
Supplemental schedule of cash flow information: |  |
Cash paid for income taxes, net of refunds | 286 | 350
Non-cash investing and financing activities |  |
Issuance of common stock to settle contingent consideration | 3,092 | 0
Issuance of common stock to settle liabilities | $ 624 | $ 623

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