Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Operating activities
Net income (loss)	$ 100,013,000	$ (24,791,000)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	11,027,000	6,857,000
Stock-based compensation	67,973,000	48,289,000
Change in fair value of liabilities	0	1,056,000
Net accretion on securities	(3,440,000)	(4,034,000)
Benefit for deferred taxes	(54,340,000)	(30,000)
Impairment of long-lived assets	114,000	429,000
Non-cash operating lease cost	1,875,000	1,412,000
Non-cash acquisition-related costs	0	2,264,000
Non-cash other	435,000	87,000
Changes in operating assets and liabilities:
Inventory	(26,295,000)	(430,000)
Prepaid expenses and other current assets	(1,535,000)	(401,000)
Other long-term assets	(47,000)	(39,000)
Accounts payable	35,052,000	4,401,000
Accrued liabilities	14,002,000	14,912,000
Deferred revenue	24,451,000	2,920,000
Operating lease liabilities	(1,761,000)	(1,402,000)
Earn-out payable	(2,825,000)	0
Net cash provided by operating activities	164,699,000	51,500,000
Investing activities
Purchases of investments	(150,595,000)	(136,415,000)
Maturities of investments	189,292,000	117,334,000
Proceeds from sales of investments	725,000	1,574,000
Investment in website development and internal-use software	(8,730,000)	(6,705,000)
Purchases of property, equipment, and intangible assets	(17,135,000)	(8,589,000)
Acquisition of business, net of cash acquired	(15,399,000)	0
Net cash used in investing activities	(1,842,000)	(32,801,000)
Financing activities
Proceeds from exercise of vested stock options	18,505,000	1,691,000
Payments for taxes related to net share settlement of equity awards	(33,096,000)	(10,101,000)
Repurchases of common stock	(78,034,000)	0
Proceeds from employee stock purchase plan	1,622,000	898,000
Payments for acquisition-related earn-out consideration	(3,190,000)	0
Net cash used in financing activities	(94,193,000)	(7,512,000)
Foreign currency effect on cash and cash equivalents	191,000	37,000
Increase in cash, cash equivalents, and restricted cash	68,855,000	11,224,000
Cash, cash equivalents, and restricted cash at beginning of period	97,519,000	47,628,000
Cash, cash equivalents, and restricted cash at end of period	166,374,000	58,852,000
Reconciliation of cash, cash equivalents, and restricted cash
Cash and cash equivalents	165,518,000	57,996,000
Restricted cash	856,000	856,000
Total cash, cash equivalents, and restricted cash	166,374,000	58,852,000
Supplemental disclosures of cash flow information
Cash paid for taxes	3,872,000	645,000
Non-cash investing and financing activities
Purchases of property and equipment included in accounts payable and accrued liabilities	704,000	5,237,000
Right-of-use asset obtained in exchange for lease liability	2,174,000	591,000
Issuance of common stock for acquisition-related earn-out consideration	1,396,000	0
Issuance of common stock and liabilities assumed in connection with acquisition of business	$ 16,000,000	$ 0