Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Operating Activities:
Net loss	$ (15,884)	$ (8,190)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	834	776
Provision for bad debts	0	21
Amortization of right-of-use lease assets	0	9
Amortization of discount on short-term investments	(1,854)	(2,411)
Stock-based compensation	7,945	7,140
Provision for excess and obsolete inventory	60	31
Change in operating assets and liabilities:
Accounts receivable	936	(928)
Inventories	(3,370)	(1,597)
Prepaid and other assets	120	254
Accounts payable	1,577	2,226
Accrued expenses and other liabilities	(1,255)	(6,163)
Net cash used in operating activities	(10,891)	(8,832)
Investing Activities:
Purchases of property and equipment	(759)	(575)
Maturities of short-term investments	110,000	60,000
Purchases of short-term investments	(100,393)	(38,570)
Net cash used in investing activities	8,848	20,855
Financing Activities:
Proceeds from issuance of common stock	144	696
Payments for employee taxes related to stock compensation	(473)	(1,418)
Principal payments on finance lease liabilities	(7)	(13)
Net cash (used in) provided by financing activities	(336)	(735)
Effect of foreign exchange rate on cash, cash equivalents and restricted cash	3	6
Net increase in cash, cash equivalents and restricted cash	(2,376)	11,294
Cash, cash equivalents and restricted cash - beginning of period	20,699	17,456
Cash, cash equivalents and restricted cash - end of period	18,323	28,750
Supplemental disclosure of cash flow information:
Operating cash flows from operating leases	980	694
Cash paid for income taxes	0	3
Non-cash investing and financing activities:
Acquisition of property and equipment included in accounts payable and accrued expenses and other current liabilities	$ 170	$ 204