Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Loss	Accumulated Deficit
Stockholders' Equity, Beginning Balance, Amount at Dec. 31, 2022	$ 89,902	$ 28	$ 636,001	$ (95)	$ (546,032)
Stockholders' Equity, Beginning Balance, Shares at Dec. 31, 2022		28,268,389
Shares issued for the exercise of stock options and vesting of restricted stock units, Amount	761		761
Shares issued for the exercise of stock options and vesting of restricted stock units, Shares		243,598
Shares redeemed for employee tax withholdings, Amount	(337)		(337)
Shares redeemed for employee tax withholdings, Shares		(24,631)
Stock-based compensation expense	3,295		3,295
Issuance of common stock for public offering, net of underwriting discounts, commissions and offering costs, Amount	53,600	$ 5	53,595
Issuance of common stock for public offering, net of underwriting discounts, commissions and offering costs, Shares		4,600,000
Issuance of common stock for at-the-market offerings, net of issuance costs, Amount	10,914	$ 1	10,913
Issuance of common stock for at-the-market offerings, net of issuance costs, Shares		$ 879,341
Unrealized loss on short-term investments and cash equivalents, net of tax	84			84
Foreign currency translation adjustment	2			2
Net Income (Loss)	(13,212)
Stockholders' Equity, Ending Balance, Amount at Mar. 31, 2023	145,009	$ 34	704,228	(9)	(559,244)
Stockholders' Equity, Ending Balance, Shares at Mar. 31, 2023		33,966,697
Stockholders' Equity, Beginning Balance, Amount at Dec. 31, 2023	$ 160,362	$ 36	754,971	(5)	(594,640)
Stockholders' Equity, Beginning Balance, Shares at Dec. 31, 2023	36,139,513	36,139,513
Shares issued for the exercise of stock options and vesting of restricted stock units, Amount	$ 10,153	$ 1	10,152
Shares issued for the exercise of stock options and vesting of restricted stock units, Shares		1,061,336
Shares redeemed for employee tax withholdings, Amount	$ (2,134)		(2,134)
Shares redeemed for employee tax withholdings, Shares		(39,096)
Exercise of stock options, shares	941,617
Stock-based compensation expense	$ 4,696		4,696
Unrealized loss on short-term investments and cash equivalents, net of tax	(45)			(45)
Foreign currency translation adjustment	(3)			(3)
Net Income (Loss)	(9,100)				(9,100)
Stockholders' Equity, Ending Balance, Amount at Mar. 31, 2024	$ 163,929	$ 37	$ 767,685	$ (53)	$ (603,740)
Stockholders' Equity, Ending Balance, Shares at Mar. 31, 2024	37,161,753	37,161,753