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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022 | Mar. 31, 2021
Cash flows from operating activities: |  |  |
Net loss | $ (73,143) | $ (175,383) | $ (165,585)
Adjustments to reconcile net loss to net cash used in operating activities: |  |  |
Depreciation | 10,464 | 11,374 | 11,297
Amortization of intangible assets | 21,078 | 8,317 | 6,886
Amortization of capitalized internal-use software costs | 20,739 | 28,863 | 26,934
Impairment of capitalized software | 3,729 |  |
Amortization of debt discount and issuance costs | 4,254 | 20,404 | 16,898
Amortization of deferred sales commission costs | 38,195 | 34,701 | 27,817
Allowance for credit losses | 1,892 | 1,974 | 4,471
Operating lease expense, net of accretion | 12,030 | 13,482 | 15,210
Stock-based compensation expense | 89,536 | 133,331 | 107,638
Gain on debt extinguishment | (18,545) | 0 | 0
Gain on remeasurement of warrants | (417) | 0 | 0
Impairment of right-of-use assets | 2,651 | 0 | 0
Gain on sale of assets | (1,821) | 0 | 0
Other | 101 | 3,726 | 1,521
Changes in assets and liabilities: |  |  |
Accounts receivable | (8,450) | 6,867 | (14,869)
Deferred sales commission costs | (31,086) | (44,224) | (52,960)
Other current and non-current assets | 2,150 | (4,022) | (3,963)
Accounts payable and accruals | (24,403) | (8,740) | (10,033)
Deferred revenue | (168) | 4,010 | 14,672
Net cash provided by (used in) operating activities | 48,786 | 34,680 | (14,066)
Cash flows from investing activities: |  |  |
Purchases of property and equipment | (2,991) | (4,137) | (6,430)
Proceeds from sale of intangible assets | 1,000 | 0 |
Capitalized internal-use software costs | (11,896) | (20,370) | (28,816)
Purchases of investments | (53,308) | (83,383) | (52,172)
Sales of investments | 8,296 | 13,299 | 1,018
Proceeds from maturities of investments | 66,199 | 60,023 | 60,479
Acquisition of businesses, net of cash acquired | (1,250) | (125,410) | (10,400)
Net cash provided by (used in) investing activities | 6,050 | (159,978) | (36,321)
Cash flows from financing activities: |  |  |
Finance lease payments | 0 | (15) | (78)
Tax-related withholding of common stock | 0 | (310) | (69)
Proceeds from issuance of common stock under employee stock plans | 4,679 | 16,107 | 13,339
Repurchase of capped calls | 244 | 0 | 0
Repurchase of common stock | (60,214) | (44,976) | 0
Repayment of convertible senior notes | (217,299) | 0 | 0
Proceeds from issuance of convertible notes | 0 | 134,619 | 0
Net proceeds from term loan | 234,806 | 0 | 0
Net cash (used in) provided by financing activities | (37,784) | 105,425 | 13,192
Effect of exchange rate changes on cash | (5,037) | (585) | 1,956
Net decrease in cash, cash equivalents and restricted cash | 12,015 | (20,458) | (35,239)
Cash, cash equivalents and restricted cash, beginning of year | 100,714 | 121,172 | 156,411
Cash, cash equivalents and restricted cash, end of year | 112,729 | 100,714 | 121,172
Supplemental and non-cash disclosures: |  |  |
Right-of-use assets obtained in exchange for new and modified operating lease liabilities | 0 | 0 | 0
Right-of-use assets acquired in connection with Fuze acquisition | 0 | 7,261 | 0
Shares consideration in connection with Fuze acquisition | 0 | 80,856 | 0
Payables for fixed assets | 38 | 88 | 0
Issuance of 2028 convertible senior notes in exchange of 2024 convertible senior notes | 201,914 | 0 | 0
Warrants issued in connection with term loan | 5,915 | 0 | 0
Shares issued in connection with term loan and convertible senior notes | 5,084 | 0 | 0
Interest paid | 22,162 | 2,156 | 1,813
Income taxes paid | 1,530 | 1,320 | 555
Reconciliation of cash, cash equivalents and restricted cash to the consolidated balance sheets: |  |  |
Cash and cash equivalents | 111,400 | 91,205 | 112,531
Restricted cash, current | 511 | 8,691 | 8,179
Restricted cash, non-current | 818 | 818 | 462
Total cash, cash equivalents and restricted cash | $ 112,729 | $ 100,714 | $ 121,172

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