CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (unaudited) - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Income (Loss)	Accumulated Deficit
Beginning balance at Dec. 31, 2022	$ 218,139	$ 5	$ 579,456	$ (912)	$ (360,410)
Beginning balance, shares at Dec. 31, 2022		46,707,084
Proceeds from sales of common stock under ATM facility, net of commissions	1,873		1,873
Proceeds from sales of common stock under ATM facility, net of commissions, shares		900,000
Proceeds from exercise of stock options, shares		8
Proceeds from ESPP, shares		468,643
Proceeds from ESPP	909		909
Restricted stock units vested, shares		431,366
Stock-based compensation	7,180		7,180
Foreign currency translation adjustment	(9)			(9)
Unrealized gain (loss) on available-for-sale debt securities	608			608
Net Income (Loss)	(52,614)				(52,614)
Ending balance at Jun. 30, 2023	176,086	$ 5	589,418	(313)	(413,024)
Ending balance, shares at Jun. 30, 2023		48,507,101
Beginning balance at Mar. 31, 2023	193,632	$ 5	583,151	(455)	(389,069)
Beginning balance, shares at Mar. 31, 2023		46,774,490
Proceeds from sales of common stock under ATM facility, net of commissions	1,873		1,873
Proceeds from sales of common stock under ATM facility, net of commissions, shares		900,000
Proceeds from exercise of stock options, shares		8
Proceeds from ESPP, shares		468,643
Proceeds from ESPP	909		909
Restricted stock units vested, shares		363,960
Stock-based compensation	3,485		3,485
Foreign currency translation adjustment	(37)			(37)
Unrealized gain (loss) on available-for-sale debt securities	179			179
Net Income (Loss)	(23,955)				(23,955)
Ending balance at Jun. 30, 2023	176,086	$ 5	589,418	(313)	(413,024)
Ending balance, shares at Jun. 30, 2023		48,507,101
Beginning balance at Dec. 31, 2023	129,441	$ 5	598,364	(222)	(468,706)
Beginning balance, shares at Dec. 31, 2023		50,480,694
Proceeds from sales of common stock under ATM facility, net of commissions	2,842		2,842
Proceeds from sales of common stock under ATM facility, net of commissions, shares		1,900,143
Proceeds from ESPP, shares		391,415
Proceeds from ESPP	317		317
Restricted stock units vested, shares		280,595
Stock-based compensation	5,340		5,340
Foreign currency translation adjustment	172			172
Unrealized gain (loss) on available-for-sale debt securities	(70)			(70)
Net Income (Loss)	(25,770)				(25,770)
Ending balance at Jun. 30, 2024	112,272	$ 5	606,863	(120)	(494,476)
Ending balance, shares at Jun. 30, 2024		53,052,847
Beginning balance at Mar. 31, 2024	120,694	$ 5	602,488	(125)	(481,674)
Beginning balance, shares at Mar. 31, 2024		51,394,199
Proceeds from sales of common stock under ATM facility, net of commissions	1,405		1,405
Proceeds from sales of common stock under ATM facility, net of commissions, shares		1,020,143
Proceeds from ESPP, shares		391,415
Proceeds from ESPP	317		317
Restricted stock units vested, shares		247,090
Stock-based compensation	2,653		2,653
Foreign currency translation adjustment	2			2
Unrealized gain (loss) on available-for-sale debt securities	3			3
Net Income (Loss)	(12,802)				(12,802)
Ending balance at Jun. 30, 2024	$ 112,272	$ 5	$ 606,863	$ (120)	$ (494,476)
Ending balance, shares at Jun. 30, 2024		53,052,847