v3.21.2
Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Cash flows from operating activities:    
Net loss $ (40,418) $ (30,801)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization 1,123 1,176
Stock-based compensation 5,743 3,663
Amortization of premiums and discounts on marketable securities 1,453 (91)
Changes in operating assets and liabilities    
Prepaid expenses, other current assets and other long-term assets 356 (931)
Accounts payable, accrued liabilities and other current liabilities 1,157 7
Operating lease liabilities (770) (665)
Net cash used in operating activities (31,356) (27,642)
Cash flows from investing activities:    
Purchases of property and equipment (50) (110)
Purchases of marketable securities (43,153) (182,667)
Maturities of marketable securities 97,250 108,961
Net cash provided by (used in) investing activities 54,047 (73,816)
Cash flows from financing activities:    
Proceeds from issuance of common stock and warrants, net of issuance costs 11,725 99,186
Proceeds from issuance of common stock under employee stock incentive plans 1,504 139
Net cash provided by financing activities 13,229 99,325
Effect of exchange rate changes on cash and cash equivalents (54) 15
Net increase (decrease) in cash and cash equivalents 35,866 (2,118)
Cash and cash equivalents at the beginning of period 21,228 14,951
Cash and cash equivalents at the end of period 57,094 12,833
Supplemental disclosures of noncash investing and financing information:    
Reclassification of employee stock liability to equity upon vesting 21 31
Unpaid offering costs in accrued liabilities 25 25
Purchase of property and equipment in accounts payable $ 178 $ 84

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