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Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Operating activities    
Net loss $ (29,830) $ (47,533)
Adjustments to reconcile net loss to net cash used in operating activities    
Depreciation expense 4,312 4,791
Noncash lease expense 1,311 1,369
Share-based compensation expense 12,147 14,298
Intangible assets amortization 419 423
Investment amortization (958) (2,643)
Inventory reserve (101) 249
Noncash interest expense 283 885
Other 76 114
Changes in operating assets and liabilities    
Accounts receivable, net (1,864) (4,052)
Inventory 264 1,111
Prepaid expenses and other current assets 489 1,520
Accounts payable and accrued liabilities (9,665) (3,941)
Operating lease right-of-use assets and liabilities (2,035) (2,549)
Deferred revenue (3,326) (2,393)
Other (6) (2)
Net cash used in operating activities (28,484) (38,353)
Investing activities    
Purchases of property and equipment (1,259) (1,511)
Purchases of marketable securities (50,654) (53,480)
Proceeds from maturities of marketable securities 77,486 99,500
Net cash provided by investing activities 25,573 44,509
Financing activities    
Proceeds from exercise of stock options 5,451 44
Net cash provided by financing activities 5,451 44
Net increase in cash, cash equivalents and restricted cash 2,540 6,200
Cash, cash equivalents and restricted cash at beginning of year 50,817 67,996
Cash, cash equivalents and restricted cash at end of period 53,357 74,196
Noncash investing activities    
Purchases of equipment included in accounts payable and accrued liabilities 211 1,115
Supplemental disclosure of cash flow information    
Cash paid for interest $ 2,373 $ 2,289