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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Operating activities:    
Net loss $ (59,687) $ (93,051)
Adjustments to reconcile net loss to net cash provided by operating activities:    
Depreciation and amortization 38,932 39,235
Stock-based compensation 41,806 37,942
Amortization of debt discount and debt issuance costs 15,003 8,923
Amortization of right-of-use assets 2,646 2,465
Write-down for excess and obsolete inventories 8,095 7,944
Loss on disposal of assets 1,272 1,700
Loss on debt extinguishment 11,883 17,576
Gain on derivative liability 0 (620)
Other 2,129 4,148
Changes in operating assets and liabilities:    
Accounts receivable (15,156) (16,249)
Inventories (34,047) (915)
Prepaid expenses and other current assets (800) 423
Other assets 260 152
Accounts payable 18,328 (1,650)
Accrued expenses (6,611) 4,677
Lease liabilities (2,557) (2,416)
Contract liabilities 710 784
Other long-term liabilities (403) (559)
Net cash provided by operating activities 21,803 10,509
Investing activities:    
Purchase of property and equipment (32,021) (20,258)
Note receivable (5,000) 0
Purchase of intangible assets (4,387) (3,527)
Other (1,201) 0
Net cash used in investing activities (42,609) (23,785)
Financing activities:    
Repayment of term loan (200,000) 0
Proceeds from issuance of term loan 172,385 0
Repayment of revolving credit facility (18,214) (56,892)
Payment of debt extinguishment costs (12,070) 0
Payments related to tax withholdings for share-based compensation (6,085) (645)
Proceeds from revolving credit facility 42,747 7,792
Payment of debt issuance costs (1,868) (706)
Proceeds from issuance of convertible notes, net 0 392,850
Repurchase of convertible notes 0 (268,231)
Purchase of capped calls 0 (42,485)
Other 1,803 (558)
Net cash (used in) provided by financing activities (21,302) 31,125
Effect of exchange rate changes on cash (36) 374
Net change in cash and cash equivalents (42,144) 18,223
Cash and cash equivalents at beginning of period 160,806 138,840
Cash and cash equivalents at end of period 118,662 157,063
Supplemental disclosure of cash flow information:    
Cash paid for interest 6,688 11,717
Cash paid for income taxes 425 348
Supplemental disclosure of noncash activities:    
Purchases of property and equipment in accounts payable and accrued expenses 10,800 695
Purchase of intangible assets in accrued expenses and other long-term liabilities 3,750 1,681
Financed insurance 1,020 1,347
Recognition of lease liabilities 962 66
Recognition of derivative liability $ 0 $ 124,062