Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Cash flows from operating activities:
Net loss	$ (22,463)	$ (15,663)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities:
Depreciation and amortization	5,683	5,358
Amortization of operating lease-right-of use assets	3,249	2,391
Stock-based compensation	19,058	19,845
Loss on disposal of property and equipment	355	52
Provision for (benefit from) credit losses	102	(73)
Provision for excess and obsolete inventory	467	1,378
Deferred income taxes	(5,019)	0
Gain on investments, accretion, and amortization, net	(4,461)	(3,631)
Interest expenses for accretion of the legal settlement liabilities	433	512
Change in operating assets and liabilities:
Trade accounts receivable	6,514	3,901
Inventories	(7,295)	12,755
Prepaid expenses and other assets	695	(2,067)
Trade accounts payable	1,757	2,324
Accrued expenses and other liabilities	(739)	(3,755)
Legal settlement liabilities	(840)	11
Operating lease liabilities	(3,276)	(2,300)
Deferred revenue	1,865	2,344
Net cash (used in) provided by operating activities	(3,915)	23,382
Cash flows from investing activities:
Purchases of marketable securities	(201,047)	(166,812)
Proceeds from maturities of marketable securities	216,106	150,000
Proceeds from sale of property and equipment	57	97
Purchase of property and equipment	(3,083)	(2,631)
Purchase of intangible assets	(74)	(195)
Net cash provided by (used in) investing activities	11,959	(19,541)
Cash flows from financing activities:
Repayment of loan	(1,805)	(418)
Proceeds from Employee Stock Purchase Plan	703	1,007
Payments for taxes related to net share settlement of equity awards	(402)	(424)
Proceeds from issuance of common stock under employee stock plans	240	877
Proceeds from line of credit	4,166	1,396
Payments for repurchase of shares	(15,108)	(14,620)
Net cash used in financing activities	(12,206)	(12,182)
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(1,303)	3,014
Cash, cash equivalents and restricted cash:
Net (decrease) increase in cash, cash equivalents and restricted cash	(5,465)	(5,327)
Cash, cash equivalents and restricted cash at beginning of period	98,745	167,630
Cash, cash equivalents and restricted cash at end of period	93,281	162,303
Supplemental disclosure of cash flow information:
Cash paid for taxes	25	1,922
Non-cash investing and financing activities:
Fixed asset purchases in accounts payable or accrued purchase at period end	85	99
Transfer of inventory to property and equipment	122	0
Intangible asset in accounts payable or accrued expenses at period end	11	0
Derecognition of right-of-use assets	0	205
Operating lease right-of-use assets obtained in exchange for operating lease liabilities, net of tenant improvement receivable	$ 3,947	$ 1,637