Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Operating Activities:
Net loss	$ (8,190)	$ (9,100)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	776	1,115
Provision for bad debts	21	0
Amortization of right-of-use lease assets	9	25
Amortization of discount on short-term investments	(2,411)	(1,505)
Stock-based compensation	7,140	4,696
Provision for excess and obsolete inventory	31	111
Change in operating assets and liabilities:
Accounts receivable	(928)	(1,269)
Inventories	(1,597)	(1,390)
Prepaid and other assets	254	569
Accounts payable	2,226	1,176
Accrued expenses and other liabilities	(6,163)	(3,737)
Net cash used in operating activities	(8,832)	(9,309)
Investing Activities:
Purchases of property and equipment	(575)	(1,967)
Maturities of short-term investments	60,000	74,000
Purchases of short-term investments	(38,570)	(47,759)
Net cash used in investing activities	20,855	24,274
Financing Activities:
Proceeds from issuance of common stock	696	10,153
Payments for employee taxes related to stock compensation	(1,418)	(2,134)
Principal payments on finance lease liabilities	(13)	(27)
Net cash (used in) provided by financing activities	(735)	7,992
Effect of foreign exchange rate on cash, cash equivalents and restricted cash	6	(3)
Net increase in cash, cash equivalents and restricted cash	11,294	22,954
Cash, cash equivalents and restricted cash - beginning of period	17,456	10,402
Cash, cash equivalents and restricted cash - end of period	28,750	33,356
Supplemental disclosure of cash flow information:
Operating cash flows from operating leases	694	548
Cash paid for income taxes	3	0
Cash paid for interest on financing leases	5	5
Non-cash investing and financing activities:
Acquisition of property and equipment included in accounts payable and accrued expenses and other current liabilities	204	343
Deferred offering costs included in accounts payable and accrued liabilities	$ 0	$ 225