Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Cash flows from operating activities:
Net loss	$ (18,866)	$ (11,402)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities:
Depreciation and amortization	1,865	1,875
Amortization of operating lease-right-of use assets	948	1,009
Stock-based compensation	4,861	6,630
Loss on disposal of property and equipment	55	101
Provision for credit losses	459	0
Provision for excess and obsolete inventory	193	314
Deferred income taxes	(183)	(336)
Gain on investments, accretion, and amortization, net	(1,255)	(1,493)
Interest expenses for accretion of the legal settlement liabilities	(47)	148
Other non-cash expense (income), net	236	0
Change in operating assets and liabilities:
Trade accounts receivable	9,645	6,449
Inventories	(1,627)	(1,503)
Prepaid expenses and other assets	3,853	(149)
Trade accounts payable	390	410
Accrued expenses and other liabilities	(3,890)	(2,121)
Legal settlement liabilities	(389)	(365)
Operating lease liabilities	(159)	(1,035)
Deferred revenue	1,175	1,343
Net cash (used in) operating activities	(2,736)	(125)
Cash flows from investing activities:
Purchases of marketable securities	(95,598)	(60,161)
Proceeds from maturities of marketable securities	70,714	70,431
Proceeds from sale of property and equipment	6	33
Purchase of property and equipment	(2,168)	(849)
Purchase of intangible assets	(33)	(2)
Net cash (used in) provided by investing activities	(27,079)	9,452
Cash flows from financing activities:
Repayment of loan	(869)	(1,518)
Payments for taxes related to net share settlement of equity awards	(239)	(129)
Proceeds from issuance of common stock under employee stock plans	21	39
Proceeds from line of credit	5,068	690
Payments for repurchase of shares	0	(10,627)
Net cash provided by (used in) financing activities	3,981	(11,545)
Effect of exchange rate changes on cash and cash equivalents	646	(1,228)
Cash and cash equivalents:
Net (decrease) in cash and cash equivalents	(25,188)	(3,446)
Cash and cash equivalents at beginning of period	90,853	98,745
Cash and cash equivalents at end of period	65,665	95,299
Supplemental disclosure of cash flow information:
Cash paid for taxes, net of refunds	(3,748)	0
Interest received on tax refunds	(180)	0
Non-cash investing and financing activities:
Fixed asset purchases in accounts payable or accrued purchase at period end	1,308	234
Intangible asset in accounts payable or accrued expenses at period end	3	47
Operating lease right-of-use assets obtained in exchange for operating lease liabilities	$ 0	$ 599