v3.21.1
Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Cash flows from operating activities:    
Net loss $ (12,994) $ (10,012)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization 372 362
Stock-based compensation 1,928 1,173
Amortization of premiums and discounts on marketable securities 514 (96)
Changes in operating assets and liabilities    
Prepaid expenses, other current assets and other long-term assets 980 (256)
Accounts payable, accrued liabilities and other current liabilities 1,088 739
Operating lease liabilities (245) (211)
Net cash used in operating activities (8,357) (8,301)
Cash flows from investing activities:    
Purchases of property and equipment   (93)
Purchases of marketable securities (26,187) (72,518)
Maturities of marketable securities 25,500 33,281
Net cash used in investing activities (687) (39,330)
Cash flows from financing activities:    
Proceeds from issuance of common stock and warrants, net of issuance costs 10,673 53,365
Proceeds from issuance of common stock under employee stock incentive plans 62 3
Net cash provided by financing activities 10,735 53,368
Effect of exchange rate changes on cash and cash equivalents (11) (117)
Net increase in cash and cash equivalents 1,680 5,620
Cash and cash equivalents at the beginning of period 21,228 14,951
Cash and cash equivalents at the end of period 22,908 20,571
Supplemental disclosures of noncash investing and financing information:    
Reclassification of employee stock liability to equity upon vesting 7 10
Unpaid offering costs in accrued liabilities $ 25 $ 5

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