CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in- Capital	Accumulated Deficit	Accumulated other comprehensive income (loss)
Beginning balance (in shares) at Dec. 31, 2023		43,257,863
Beginning balance at Dec. 31, 2023	$ 179,672	$ 42	$ 995,464	$ (816,026)	$ 192
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock upon exercise of stock options (in shares)		54,374
Issuance of common stock upon exercise of stock options	108		108
Issuance of restricted stock awards (in shares)		533,601
Issuance of restricted stock awards	1	$ 1
Proceeds from at-the-market offering, net of commissions and fees and issuance costs (in shares)		343,571
Proceeds from at-the-market offering, net of commissions and fees and issuance costs	2,331		2,331
Issuance of common stock in connection with Velodyne Merger (in shares)		29,376
Issuance of common stock upon vesting of restricted stock units (in shares)		759,919
Issuance of common stock upon vesting of restricted stock units	1	$ 1
Common stock warrants issuable to customer	195		195
Stock-based compensation expense	9,404		9,404
Net loss	(23,849)			(23,849)
Other comprehensive income (loss)	(631)				(631)
Ending balance (in shares) at Mar. 31, 2024		44,978,704
Ending balance at Mar. 31, 2024	167,232	$ 44	1,007,502	(839,875)	(439)
Beginning balance (in shares) at Dec. 31, 2023		43,257,863
Beginning balance at Dec. 31, 2023	179,672	$ 42	995,464	(816,026)	192
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(73,308)
Ending balance (in shares) at Sep. 30, 2024		49,542,659
Ending balance at Sep. 30, 2024	171,749	$ 47	1,061,180	(889,334)	(144)
Beginning balance (in shares) at Mar. 31, 2024		44,978,704
Beginning balance at Mar. 31, 2024	167,232	$ 44	1,007,502	(839,875)	(439)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock upon exercise of stock options (in shares)		22,486
Issuance of common stock upon exercise of stock options	42		42
Proceeds from at-the-market offering, net of commissions and fees and issuance costs (in shares)		1,489,300
Proceeds from at-the-market offering, net of commissions and fees and issuance costs	15,774		15,774
Issuance of common stock in connection with Velodyne Merger (in shares)		181,840
Issuance of common stock upon vesting of restricted stock units (in shares)		310,896
Issuance of common stock to employees under employee stock purchase plan (in shares)		184,079
Issuance of common stock to employees under employee stock purchase plan	781		781
Common stock warrants issuable to customer	293		293
Stock-based compensation expense	10,695		10,695
Net loss	(23,869)			(23,869)
Other comprehensive income (loss)	(338)				(338)
Ending balance (in shares) at Jun. 30, 2024		47,167,305
Ending balance at Jun. 30, 2024	170,610	$ 44	1,035,087	(863,744)	(777)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock upon exercise of stock options (in shares)		9,687
Issuance of common stock upon exercise of stock options	18		18
Proceeds from at-the-market offering, net of commissions and fees and issuance costs (in shares)		1,649,310
Proceeds from at-the-market offering, net of commissions and fees and issuance costs	14,185	$ 2	14,183
Issuance of common stock upon vesting of restricted stock units (in shares)		716,357
Issuance of common stock upon vesting of restricted stock units	1	$ 1
Common stock warrants issuable to customer	373		373
Stock-based compensation expense	11,519		11,519
Net loss	(25,590)			(25,590)
Other comprehensive income (loss)	633				633
Ending balance (in shares) at Sep. 30, 2024		49,542,659
Ending balance at Sep. 30, 2024	$ 171,749	$ 47	1,061,180	(889,334)	(144)
Beginning balance (in shares) at Dec. 31, 2024	52,560,770	52,560,770
Beginning balance at Dec. 31, 2024	$ 180,911	$ 47	1,094,938	(913,071)	(1,003)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock upon exercise of stock options (in shares)		13,558
Issuance of common stock upon exercise of stock options	28		28
Issuance of common stock in connection with Velodyne Merger (in shares)		164,394
Issuance of common stock upon vesting of restricted stock units (in shares)		1,118,320
Forfeited restricted stock awards (in shares)		(68,072)
Common stock warrants issuable to customer	397		397
Stock-based compensation expense	8,498		8,498
Net loss	(22,017)			(22,017)
Other comprehensive income (loss)	126				126
Ending balance (in shares) at Mar. 31, 2025		53,788,970
Ending balance at Mar. 31, 2025	$ 167,943	$ 47	1,103,861	(935,088)	(877)
Beginning balance (in shares) at Dec. 31, 2024	52,560,770	52,560,770
Beginning balance at Dec. 31, 2024	$ 180,911	$ 47	1,094,938	(913,071)	(1,003)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock upon exercise of stock options (in shares)	43,904
Net loss	$ (64,362)
Ending balance (in shares) at Sep. 30, 2025	59,952,844	59,952,844
Ending balance at Sep. 30, 2025	$ 247,442	$ 48	1,225,309	(977,433)	(482)
Beginning balance (in shares) at Mar. 31, 2025		53,788,970
Beginning balance at Mar. 31, 2025	167,943	$ 47	1,103,861	(935,088)	(877)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock upon exercise of stock options (in shares)		12,497
Issuance of common stock upon exercise of stock options	20		20
Proceeds from at-the-market offering, net of commissions and fees and issuance costs (in shares)		3,522,177
Proceeds from at-the-market offering, net of commissions and fees and issuance costs	58,521		58,521
Issuance of common stock upon vesting of restricted stock units (in shares)		275,125
Issuance of common stock to employees under employee stock purchase plan (in shares)		201,534
Issuance of common stock to employees under employee stock purchase plan	980		980
Common stock warrants issuable to customer	624		624
Stock-based compensation expense	13,226		13,226
Net loss	(20,612)			(20,612)
Other comprehensive income (loss)	331				331
Ending balance (in shares) at Jun. 30, 2025		57,800,303
Ending balance at Jun. 30, 2025	221,033	$ 47	1,177,232	(955,700)	(546)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock upon exercise of stock options (in shares)		17,849
Issuance of common stock upon exercise of stock options	34		34
Proceeds from at-the-market offering, net of commissions and fees and issuance costs (in shares)		1,097,863
Proceeds from at-the-market offering, net of commissions and fees and issuance costs	35,182	$ 1	35,181
Issuance of common stock upon vesting of restricted stock units (in shares)		1,036,829
Common stock warrants issuable to customer	1,033		1,033
Stock-based compensation expense	11,829		11,829
Net loss	(21,733)			(21,733)
Other comprehensive income (loss)	$ 64				64
Ending balance (in shares) at Sep. 30, 2025	59,952,844	59,952,844
Ending balance at Sep. 30, 2025	$ 247,442	$ 48	$ 1,225,309	$ (977,433)	$ (482)