CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Operating activities:
Net income (loss)	$ 16,518	$ 10,362	$ (3,182)
Adjustments to reconcile net income (loss) to net cash flows from operating activities:
Depreciation and amortization expense	11,544	5,504	4,632
Stock-based compensation expense	38,767	36,495	32,325
Amortization of premiums and discounts on marketable securities	(183)	(657)	(824)
Amortization of debt issuance costs	215	215	215
Non-cash lease costs	5,350	6,651	6,070
Provision for excess and obsolete inventory	1,043	0	0
Other	13	43	39
Changes in operating assets and liabilities:
Inventory	(1,230)	(4,286)	2,899
Accounts receivable	(23,259)	(3,019)	(11,817)
Other current assets	(457)	(434)	(1,733)
Accounts payable	2,974	(287)	3,049
Accrued expenses	2,171	(149)	1,025
Operating lease liabilities	(2,623)	7,520	2,513
Other non-current assets and liabilities, net	1,067	205	100
Net cash provided by operating activities	51,910	58,163	35,311
Investing activities:
Purchases of investments	(72,371)	(68,211)	(55,225)
Sales and maturities of investments	55,596	53,151	79,608
Expenditures for property and equipment	(27,162)	(63,974)	(20,013)
Purchases of intangible assets	0	0	(7,500)
Net cash used in investing activities	(43,937)	(79,034)	(3,130)
Financing activities:
Net proceeds from common stock issuance	13,934	24,516	6,000
Payments on employee's behalf for taxes related to vesting of restricted stock unit awards	(6,817)	(5,462)	(2,341)
Other	(47)	0	(41)
Net cash provided by financing activities	7,070	19,054	3,618
Net increase (decrease) in cash, cash equivalents, and restricted cash	15,043	(1,817)	35,799
Cash, cash equivalents, and restricted cash at beginning of period	85,049	86,866	51,067
Cash, cash equivalents, and restricted cash at end of period	100,092	85,049	86,866
Supplemental disclosure of cash flow information:
Right-of-use assets and operating lease liabilities recognized	0	3,287	37,960
Property and equipment obtained in exchange for financing lease liabilities	0	686	0
Additions to property and equipment included in accounts payable	891	11,898	10,152
Interest paid	489	399	383
Taxes paid	580	628	1,166
Reconciliation of amounts within the consolidated balance sheets:
Cash and cash equivalents	100,092	74,520	69,088
Restricted cash	0	10,529	17,778
Total cash, cash equivalents, and restricted cash at end of period	$ 100,092	$ 85,049	$ 86,866