CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Operating activities
Net loss	$ (15,465)	$ (28,972)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	1,111	1,275
Stock-based compensation	11,533	11,389
Non-cash operating lease cost	1,228	1,058
Net loss on sale of available-for-sale securities	5	46
Unrealized gain on investments	(110)	(115)
Loss on disposal of fixed assets	3
Impairment charges for facilities consolidation		205
Non-cash interest expense	205	199
Foreign currency remeasurement gain	(161)	(1,030)
Changes in operating assets and liabilities:
Accounts receivable	11,619	12,164
Inventories	6,278	(11,345)
Prepaid and other assets	(1,038)	230
Accounts payable	(6,821)	6,533
Accrued liabilities and other non-current liabilities	(5,121)	(9,905)
Deferred revenue	(906)	772
Net cash provided by (used in) operating activities	2,360	(17,496)
Investing activities
Capital expenditures	(1,140)	(1,968)
Purchases of investments	(13,096)	(2,351)
Proceeds from maturities and sale of investments	8,575	5,002
Net cash (used in) provided by investing activities	(5,661)	683
Financing activities
Net proceeds from equity incentives	441	492
Net costs from public offerings	(65)	(137)
Net (payment on) proceeds on revolving line of credit	(1,218)	1,633
Proceeds from loans	5,000
Debt issuance costs		(100)
Net cash provided by financing activities	4,158	1,888
Effect of exchange rates on cash, cash equivalents, and restricted cash	(106)	(5)
Net increase (decrease) in cash, cash equivalents, and restricted cash	751	(14,930)
Cash, cash equivalents, and restricted cash, beginning of period	13,359	37,358
Cash, cash equivalents, and restricted cash, end of period	$ 14,110	$ 22,428