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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Cash flows from operating activities: |  |  |
Net loss | $ (68,495) | $ (59,351) | $ (58,763)
Depreciation, amortization, and abandonment costs | 2,707 | 2,412 | 7,677
Stock-based compensation expenses | 23,645 | 17,065 | 5,114
Amortization of deferred contract acquisition and fulfillment costs | 10,865 | 8,075 | 4,231
Change in valuation of warrants to purchase preferred and common stock | 0 | 15,046 | 41,505
Non-cash interest expense (income), net | (146) | 331 | 263
Non-cash expenses with respect to stockholders’ loans | 0 | 882 | 0
Loss (gain) on sale of property and equipment | 185 | (757) | 0
Loss on foreign exchange | 1,424 | 0 | 0
Increase in trade receivables | (11,277) | (1,057) | (6,274)
Decrease (increase) in prepaid expenses and other current assets and other assets, noncurrent | 429 | (2,299) | (864)
Increase in deferred contract acquisition and fulfillment costs | (11,558) | (18,051) | (12,947)
Increase in trade payables | 3,132 | 3,886 | 2,064
Increase (decrease) in accrued expenses and other current liabilities | (1,937) | 3,756 | 4,964
Increase (decrease) in employees and payroll accruals | (3,743) | 2,352 | 5,886
Increase (decrease) in other liabilities, noncurrent | (51) | (675) | 635
Increase in deferred revenue | 7,465 | 6,275 | 12,313
Operating lease right-of-use assets and lease liabilities, net | 527 | 0 | 0
Net cash provided by (used in) operating activities | (46,828) | (22,110) | 5,804
Cash flows from investing activities: |  |  |
Investment in available-for-sale marketable securities | (60,165) | 0 | 0
Proceeds from maturities of available-for-sale marketable securities | 18,985 | 0 | 0
Net cash acquired in business combination | 0 | 0 | 383
Purchases of property and equipment | (1,218) | (1,876) | (1,118)
Proceeds from sale of property and equipment | 0 | 757 | 0
Capitalized internal-use software development costs | (4,759) | (3,978) | (1,849)
Investment in restricted bank deposit | (2,600) | 0 | 0
Purchase of intangible assets | 0 | (145) | (162)
Net cash used in investing activities | (49,757) | (5,242) | (2,746)
Cash flows from financing activities: |  |  |
Proceeds from initial public offering, net of underwriting discounts and commissions | 0 | 160,425 | 0
Payment related to the conversion of Series F redeemable convertible preferred stock upon initial public offering | 0 | (1,569) | 0
Proceeds from long-term loans, net of debt issuance cost | 0 | 41,915 | 2,000
Repayment of long-term loans | (3,000) | (51,833) | (1,667)
Principal payments on finance leases | (136) | (1,717) | (2,354)
Proceeds from exercise of stock options | 2,732 | 1,335 | 280
Payment of debt issuance costs | (125) | 0 | 0
Payment of deferred offering costs | 0 | (5,188) | (106)
Net Cash Provided by (Used in) Financing Activities | (529) | 143,368 | (1,847)
Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Continuing Operations | (1,424) | 0 | 0
Net increase (decrease) in cash, cash equivalents and restricted cash | (98,538) | 116,016 | 1,211
Cash, cash equivalents and restricted cash at the beginning of the year | 144,371 | 28,355 | 27,144
Cash, cash equivalents and restricted cash at the end of the year | 45,833 | 144,371 | 28,355
Supplemental disclosure of non-cash activity: |  |  |
Purchase of property, equipment, internal-use software, and intangible asset in credit | 355 | 1,106 | 155
Lease liabilities arising from right-of-use assets | 23,712 | 0 | 0
Capitalized stock-based compensation cost | 296 | 0 | 0
Pending proceeds from option exercises | 227 | 0 | 0
Lease incentive recognized as leasehold improvements | 1,711 | 0 | 0
Conversion of warrants to common stock upon initial public offering | 0 | 70,677 | 0
Conversion of convertible and redeemable convertible preferred stock to common stock upon initial public offering | 0 | 161,261 | 0
Issuance of ordinary shares and warrant with respect to business combination | 0 | 0 | 3,799
Unpaid deferred offering costs | 0 | 0 | 976
Supplemental disclosure of cash flow information |  |  |
Cash paid for income taxes, net | 8,873 | 2,636 | 1,210
Cash paid for interest | 2,301 | 1,944 | 3,947
Reconciliation of cash, cash equivalents, and restricted cash to the consolidated balance sheet |  |  |
Cash and cash equivalents | 44,625 | 143,949 | 27,711
Restricted cash included in other assets, noncurrent | 1,208 | 422 | 644
Total cash, cash equivalents, and restricted cash | $ 45,833 | $ 144,371 | $ 28,355

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