v3.23.1
Condensed Statements of Cash Flows - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Operating Activities    
Net loss $ (29,051) $ (16,366)
Adjustments to reconcile net loss to net cash used in operating activities    
Depreciation expense 293 166
Non-cash operating lease expense 612 140
Stock-based compensation expense 3,233 2,330
Net amortization of premiums and accretion of discounts on investments 1 100
Changes in operating assets and liabilities:    
Prepaid expenses and other current assets 2,345 828
Other assets (744) (369)
Accounts payable 665 1,195
Accrued expenses and other current liabilities. (823) 2,117
Operating lease liabilities (575) (135)
Net cash used in operating activities (24,044) (9,994)
Investing Activities    
Purchase of property and equipment (2,906) (95)
Maturities of investments 1,150 20,537
Net cash provided by (used in) investing activities (1,756) 20,442
Financing Activities    
Proceeds from stock option exercise 201 31
Net cash provided by financing activities 201 31
Net increase (decrease) in cash, cash equivalents, and restricted cash (25,599) 10,479
Cash, cash equivalents, and restricted cash at the beginning of the period 112,250 146,087
Cash, cash equivalents, and restricted cash at the end of the period 86,651 156,566
Non-cash financing and investing activities:    
Acquisition of operating lease right-of-use assets 11,639  
Acquisition of property and equipment in accounts payable and accrued liabilities 375  
Reconciliation of cash and cash equivalents and restricted cash:    
Cash and cash equivalents 86,300 156,215
Restricted cash 351 351
Cash, cash equivalents, and restricted cash at the end of the period $ 86,651 $ 156,566