CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Cash flows from operating activities:
Net loss	$ (27,801)	$ (37,467)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation, amortization, and impairments	4,442	5,217
Non-cash interest expense	713	607
Write-down of inventories	66	(81)
Stock-based compensation expense	12,148	11,383
Change in fair value of warrant liabilities	(1,446)	(413)
Other	172	462
Changes in operating assets and liabilities:
Accounts receivable	(3,909)	(3,165)
Inventories	1,816	(1,072)
Prepaid expenses and other assets	(874)	165
Vendor advances	1,244	(1,396)
Accounts payable	(927)	(587)
Deferred revenue	(581)	(908)
Change in operating lease assets and liabilities	(411)	(348)
Accrued expenses and other liabilities	(3,496)	(3,064)
Net cash used in operating activities	(18,844)	(30,667)
Cash flows from investing activities:
Purchases of property, equipment, and intangible assets, including capitalized software	(1,249)	(1,872)
Sales of property and equipment	0	35
Net cash used in investing activities	(1,249)	(1,837)
Cash flows from financing activities:
Proceeds from exercise of stock options and warrants	274	0
Proceeds from employee stock purchase plan	949	0
Net proceeds from share offering	81,006	0
Payments to tax authorities for restricted stock units withheld	(2,775)	0
Net cash provided by financing activities	79,454	0
Net increase (decrease) in cash, cash equivalents, and restricted cash	59,361	(32,504)
Cash, cash equivalents, and restricted cash, beginning of period	92,790	138,650
Cash, cash equivalents, and restricted cash, end of period	$ 152,151	$ 106,146