XML 16 R6.htm IDEA: XBRL DOCUMENT v3.25.0.1
STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Cash flows from operating activities:    
Net income (loss) $ 31,869 $ (569)
Adjustments to reconcile net income (loss) to net cash used in operating activities:    
Amortization of intangible assets 146 146
Depreciation and amortization 1,622 2,029
Impairment loss on machinery and equipment 106 0
Accretion of discounts on short-term investments (5,311) (7,419)
Stock-based compensation expense 7,668 8,558
Non-cash lease expense 4,084 3,729
Changes in operating assets and liabilities    
Accounts receivable 329 32,554
Prepaid expenses and other assets 1,433 2,415
Accounts payable (297) (1,426)
Accrued liabilities and other long-term liabilities (9,628) (7,041)
Deferred revenue (118,252) (89,011)
Net cash used in operating activities (86,231) (56,035)
Cash flows from investing activities:    
Purchases of property and equipment (310) (840)
Purchases of short term investments (155,490) (424,834)
Maturities of short term investments 255,500 275,000
Net cash provided by (used in) investing activities 99,700 (150,674)
Cash flows from financing activities:    
Proceeds from issuance of pre-funded warrants and warrants, net of issuance cost 0 29,669
Proceeds from issuance of common stock, net of issuance cost 6,909  
Proceeds from employee stock purchase plan and exercise of stock options 613 561
Net cash provided by financing activities 7,522 30,230
Net increase (decrease) in cash, cash equivalents and restricted cash 20,991 (176,479)
Cash, cash equivalents and restricted cash, beginning of year 18,088 194,567
Cash, cash equivalents and restricted cash, end of year 39,079 18,088
Supplemental disclosures of noncash investing items:    
Purchases of property and equipment in accounts payable and accrued liabilities $ 8 $ 75