v3.24.0.1
Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Cash flows from operating activities      
Net loss $ (82,842) $ (53,091) $ (43,200)
Adjustments to reconcile net loss to net cash used in operations:      
Depreciation and amortization 7,864 2,246 1,464
Impairment of property and equipment 12 64 882
Bargain purchase gain (1,669)
Gain on disposal of fixed assets (34)
Share-based compensation expense 16,141 15,461 15,284
Non-cash interest income (10)
Inventory write-downs 76 87 48
Net accretion of premium on short-term investments (1,275) 21 86
Gain on debt extinguishment (692)
Change in:      
Accounts receivable (949)
Inventory (892) (168) (1,828)
Other current and non-current assets (2,096) (217) (2,552)
Accounts payable 942 (1,737) 2,520
Accrued liabilities 6,571 888 675
Contract liabilities and other current liabilities (6,452) (293) (1,319)
Operating lease liabilities (2,500) (1,280) (762)
Other long-term liabilities 13
Net cash used in operating activities (67,090) (38,019) (29,404)
Cash flows from investing activities      
Sales of investment securities 76,700 60,576
Purchases of investment securities (41,710) (90,158) (32,825)
Purchases of property and equipment (1,935) (4,359) (2,493)
Advance to Ibeo (4,132)
Cash paid for Ibeo business combination (11,233)
Net cash provided by (used in) investing activities 21,822 (38,073) (35,318)
Cash flows from financing activities      
Principal payments under finance leases (21) (26) (28)
Principal payments under long-term debt (392) (488)
Payments received on subscriptions receivable 6,135
Proceeds from stock option exercises 175 726 2,654
Net proceeds from issuance of common stock 72,284 13,999 122,891
Net cash provided by financing activities 72,438 14,307 131,164
Effect of exchange rate changes on cash and cash equivalents 267
Change in cash, cash equivalents, and restricted cash 27,437 (61,785) 66,442
Cash, cash equivalents, and restricted cash at beginning of period 21,954 83,739 17,297
Cash, cash equivalents, and restricted cash at end of period 49,391 21,954 83,739
Supplemental schedule of non-cash investing and financing activities      
Non-cash additions to property and equipment 764 550
Accrued liability for Ibeo business combination 6,300
Acquisition of right-to-use asset operating lease 1,338 10,184 5,097
Accrued financing fees (32)
Currency gain in translation 184
Unrealized gain in investment securities, available-for-sale $ 153 $ 108 $ (19)

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