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Balance Sheet Components (Tables) | 6 Months Ended
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Jun. 30, 2025
Balance Sheet Components |
Schedule of allowances for credit losses related to trade accounts receivable and other receivables | ​ The following is a roll-forward of the allowances for expected credit losses related to trade accounts receivable for the three and six months ended June 30, 2025 and 2024: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended
​ |  | June 30,
​ | ​ | 2025 | ​ | 2024
​ | ​ | ​ | (in thousands)
Beginning balance | ​ | $ | 7,434 | ​ | $ | 7,252
Provision for (Reversal of) expected credit losses | ​ | ​ | 411 | ​ | ​ | (185)
Write-offs | ​ | ​ | (22) | ​ | ​ | (46)
Total | ​ | $ | 7,823 | ​ | $ | 7,021
​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Six Months Ended
​ |  | June 30,
​ | ​ | 2025 | ​ | 2024
​ | ​ | ​ | (in thousands)
Beginning balance | ​ | $ | 7,259 | ​ | $ | 6,481
Provision for expected credit losses | ​ | ​ | 606 | ​ | ​ | 744
Write-offs | ​ | ​ | (42) | ​ | ​ | (204)
Total | ​ | $ | 7,823 | ​ | $ | 7,021
Schedule of property and equipment | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | June 30, | ​ | December 31,
​ | Useful Life | 2025 |  | 2024
​ | ​ | (in thousands)
Machinery and equipment | 3-5 years | $ | 139,784 | ​ | $ | 117,076
Computer equipment | 3 years | ​ | 3,338 | ​ |  | 3,178
Purchased and capitalized software held for internal use | 3 years | ​ | 14,901 | ​ | ​ | 13,178
Leasehold improvements | Lesser of useful life or lease term | ​ | 49,146 | ​ |  | 48,569
Construction-in-process | ​ | ​ | 73,706 | ​ |  | 58,461
​ | ​ | ​ | 280,875 | ​ |  | 240,462
Less: Accumulated depreciation and amortization | ​ | ​ | (91,651) | ​ |  | (78,416)
Total property and equipment, net | ​ | $ | 189,224 | ​ | $ | 162,046
Schedule of other accrued liabilities | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | June 30, |  | December 31, |
​ | 2025 |  | 2024 |
​ | (in thousands) |
Reserves for refunds to insurance carriers | $ | 9,700 | ​ | $ | 11,276 | ​
Accrued charges for third-party testing | ​ | 17,188 | ​ | ​ | 12,321 | ​
Testing and laboratory materials from suppliers | ​ | 12,522 | ​ | ​ | 7,893 | ​
Marketing and corporate affairs | ​ | 16,572 | ​ | ​ | 16,548 | ​
Legal, audit and consulting fees | ​ | 84,747 | ​ |  | 54,208 | ​
Accrued shipping charges | ​ | 2,545 | ​ | ​ | 1,625 | ​
Sales and income tax payable | ​ | 6,535 | ​ | ​ | 4,416 | ​
Accrued third-party service fees | ​ | 8,945 | ​ | ​ | 9,046 | ​
Clinical trials and studies |  | 9,604 | ​ | ​ | 10,097 | ​
Operating lease liabilities, current portion | ​ | 13,056 | ​ | ​ | 10,168 | ​
Property and equipment purchases | ​ | 7,581 | ​ | ​ | 7,098 | ​
Other accrued expenses |  | 2,039 | ​ | ​ | 2,197 | ​
Total other accrued liabilities | $ | 191,034 | ​ | $ | 146,893 | ​
Summary of reserve balance and activities for refunds to insurance carriers | ​
​ | ​ | ​ | ​ | ​ | ​
​ | June 30,
​ | 2025 |  | 2024
​ | (in thousands)
Beginning balance | $ | 11,276 | ​ | $ | 23,245
Additional (reversals) reserves |  | (703) | ​ |  | 1,065
Refunds to carriers |  | — | ​ | ​ | (3,095)
Reserves released to revenue | ​ | (873) | ​ | ​ | (4,750)
Ending balance | $ | 9,700 | ​ | $ | 16,465
​

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