CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Operating activities
Net loss	$ (13,433)	$ (15,465)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities:
Depreciation and amortization	651	1,111
Stock-based compensation	12,316	11,533
Non-cash operating lease cost	1,336	1,228
Net loss on sale of available-for-sale securities	2	5
Unrealized gain on investments	(128)	(110)
Loss on disposal of fixed assets		3
Non-cash interest expense	197	205
Foreign currency remeasurement loss (gain)	508	(161)
Changes in operating assets and liabilities:
Accounts receivable	(1,226)	11,619
Inventories	(12,210)	6,278
Prepaid and other assets	(811)	(1,038)
Accounts payable	7,842	(6,821)
Accrued liabilities and other non-current liabilities	853	(5,121)
Deferred revenue	813	(906)
Net cash (used in) provided by operating activities	(3,290)	2,360
Investing activities
Capital expenditures	(589)	(1,140)
Purchases of investments	(20,477)	(13,096)
Proceeds from maturities and sale of investments	18,788	8,575
Net cash used in investing activities	(2,278)	(5,661)
Financing activities
Net proceeds from equity incentives	326	441
Net costs from public offerings	(87)	(65)
Net proceeds from (payment on) revolving line of credit	703	(1,218)
Proceeds from loans, net of issuance costs	0	5,000
Net cash provided by financing activities	942	4,158
Effect of exchange rates on cash, cash equivalents, and restricted cash	396	(106)
Net (decrease) increase in cash, cash equivalents, and restricted cash	(4,230)	751
Cash, cash equivalents, and restricted cash, beginning of period	21,361	13,359
Cash, cash equivalents, and restricted cash, end of period	$ 17,131	$ 14,110