CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Operating activities:
Net loss	$ (3,862)	$ (7,495)
Adjustments to reconcile net loss to net cash flows from operating activities:
Depreciation and amortization expense	1,378	1,158
Stock-based compensation expense	9,834	8,731
Amortization of premiums and discounts on marketable securities	(102)	(290)
Amortization of debt issuance costs	54	54
Non-cash lease costs	1,771	1,112
Other	7	12
Changes in operating assets and liabilities:
Inventory	(470)	616
Accounts receivable	8,422	8,180
Other current assets	(922)	263
Accounts payable	(4,883)	(274)
Accrued expenses	(6,198)	(3,079)
Operating lease liabilities	2,119	(1,128)
Other non-current assets and liabilities, net	54	0
Net cash provided by operating activities	7,202	7,860
Investing activities:
Purchases of investments	(22,555)	(9,787)
Sales and maturities of investments	11,120	21,500
Expenditures for property and equipment	(14,017)	(1,413)
Purchases of intangible assets	0	(7,500)
Net cash (used in) provided by investing activities	(25,452)	2,800
Financing activities:
Net proceeds from common stock issuance	7,026	2,225
Payments on employee’s behalf for taxes related to vesting of restricted stock unit awards	(4,900)	(2,097)
Other	0	(21)
Net cash provided by financing activities	2,126	107
Net (decrease) increase in cash, cash equivalents, and restricted cash	(16,124)	10,767
Cash, cash equivalents, and restricted cash at beginning of period	86,866	51,067
Cash, cash equivalents, and restricted cash at end of period	70,742	61,834
Supplemental disclosure of cash flow information:
Right-of-use asset and lease liability recognized	1,991	419
Additions to property and equipment included in accounts payable	12,115	2,282
Reconciliation to amounts within the condensed consolidated balance sheets:
Cash and cash equivalents	62,938	61,834
Restricted cash	7,804	0
Total cash, cash equivalents, and restricted cash at end of period	$ 70,742	$ 61,834