CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Cash flows from operating activities:
Net loss	$ (19,474)	$ (23,611)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	1,061	803
Non-cash lease expense	588	536
(Gain) loss on marketable securities, net	0	(2,942)
(Accretion) amortization on marketable securities	(2,119)	0
(Gain) loss on disposal of fixed assets	0	3
Change in fair value of warrant liabilities	(319)	(391)
Change in fair value of contingent consideration	0	34
Stock-based compensation	1,645	3,908
Other	22	0
Changes in operating assets and liabilities:
Accounts receivable, net	126	(82)
Inventory, net	(228)	(1,708)
Prepaid expenses and other current assets	31	738
Accounts payable	(633)	(730)
Accrued expenses and other current liabilities	(3,094)	(4,537)
Operating lease liabilities	(820)	(743)
Other long-term liabilities	6	24
Net cash used in operating activities	(23,208)	(28,698)
Cash flows from investing activities:
Purchases of property and equipment	(1,046)	(2,574)
Internally developed software - capitalized costs	(59)	(887)
Purchases of marketable securities	(78,823)	0
Sales of marketable securities	22,500	29,500
Net cash (used in) provided by investing activities	(57,428)	26,039
Cash flows from financing activities:
Deferred offering costs	(70)	0
Refund of issuance costs from 2021 Business Combination	14	0
Net cash used in financing activities	(56)	0
Effect of exchange rate changes on cash and cash equivalents	(5)	0
Net decrease in cash and cash equivalents	(80,697)	(2,659)
Cash and cash equivalents at beginning of period	133,860	84,319
Cash and cash equivalents at end of period	53,163	81,660
Supplemental disclosure of cash flow information:
Cash paid for income taxes	16	0
Supplemental disclosure of non-cash investing and financing activities:
Property and equipment purchased but not paid	231	847
Deferred offering costs payable	$ 75	$ 0