v3.25.1
Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
OPERATING ACTIVITIES    
Net Income (Loss) $ (19,948) $ (20,679)
Adjustments to reconcile net loss to net cash used in operating activities:    
Stock-based compensation 4,663 7,580
Depreciation and amortization 1,598 1,494
Loss on disposal of property and equipment 746 45
Net amortization of premium on available-for-sale securities 1,104 2,351
Provision for inventory excess and obsolescence 33 8
Non-cash operating lease expense 3 31
Loss on equity method investment 1,575 0
Changes in operating assets and liabilities:    
Accounts receivable, net 875 566
Prepaid expenses and other assets 212 (455)
Inventory (228) (967)
Accounts payable (11) 1,381
Deferred revenue 5 63
Accrued liabilities and other liabilities (2,044) (1,874)
Net cash used in operating activities (11,417) (10,456)
INVESTING ACTIVITIES    
Purchases of property and equipment (654) (754)
Proceeds from disposal of property and equipment 299 0
Purchases of available-for-sale securities (62,660) (101,297)
Proceeds from maturities of available-for-sale securities 87,626 134,406
Net cash provided by investing activities 24,611 32,355
FINANCING ACTIVITIES    
Repurchases of Class A common stock under share repurchase program (675) 0
Taxes paid related to net settlement of restricted stock units (827) 0
Net cash used in financing activities (1,502) 0
Net increase in cash, cash equivalents and restricted cash 11,692 21,899
Cash, cash equivalents and restricted cash, beginning of period 41,277 33,023
Cash, cash equivalents and restricted cash, end of period 52,969 54,922
SUPPLEMENTAL DISCLOSURE OF NON-CASH ACTIVITIES    
Capitalized stock-based compensation related to internal-use software development 55 75
Property and equipment purchases included in accounts payable and accrued expenses 85 466
Inventory transferred to property and equipment 561 0
Property and equipment transferred to inventory $ 0 $ 359