Quarterly report pursuant to Section 13 or 15(d)

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited)

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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Operating activities    
Net loss $ (89,880) $ (62,745)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization 2,001 2,050
Amortization of right-of-use asset 196 195
Transaction related expenses allocated to warrants issued in connection with private placement 5,015  
Stock-based compensation expense 8,507 7,479
Change in fair value of warrant liability (12,465) (14,117)
Net amortization of premiums and discounts on marketable securities 198 122
Amortization of debt-discount and accretion of deferred debt costs 557 521
Changes in operating assets and liabilities:    
Prepaid expenses and other current assets (1,466) (1,813)
Accounts receivable   7
Contract assets 1,208 (1,308)
Other long-term assets (726) (694)
Accounts payable 323 334
Accrued expenses 3,727 1,048
Deferred revenue (8,556) (7,111)
Operating lease asset and liabilities (621) (539)
Net cash used in operating activities (91,982) (76,571)
Investing activities    
Purchases of property and equipment (567) (1,000)
Purchases of marketable securities   (51,408)
Maturities of marketable securities 30,031  
Net cash (used in) provided by investing activities 29,464 (52,408)
Financing activities    
Payments on financing and capital lease obligations (216) (196)
Proceeds from issuance of common stock through employee benefit plans   157
Proceeds from the issuance of common stock through employee stock purchase plan 109 153
Proceeds from the issuance of common stock through exercise of option 1  
Cash and cash equivalents acquired in connection with merger, net of issuance costs paid 14,166  
Payment to creditor related to debt modification (300)  
Proceeds from issuance of common stock and accompanying warrants and pre-funded warrants in private placement, net of issuance costs 128,093  
Proceeds from issuance of common stock and warrants in public offering, net of issuance costs   70,337
Redemption of fractional shares due to the reverse stock split (81)  
Payment of issuance cost related to out of period offering (24) (36)
Net cash (used in) provided by financing activities 141,748 70,415
Net (decrease) increase in cash, cash equivalents and restricted cash 79,230 (58,564)
Cash and cash equivalents, Beginning of period 95,388 177,070
Cash and cash equivalents, End of period 174,618 118,506
Supplemental disclosure of cash flow information:    
Cash paid for interest 2,417 2,380
Non-cash investing and financing activities:    
Property and equipment received but unpaid as of period end 678 178
Offering costs incurred but unpaid as of period end $ 10,746 $ 10