Income Taxes (Tables)

12 Months Ended

Dec. 31, 2023

Income Tax Disclosure [Abstract]

Schedule Of Reconciliation Of The statutory federal Rate And The Company's Effective Tax Rate

The following table presents a reconciliation of the statutory federal rate and the Company’s effective tax rate:

	Years Ended December 31,
	2023			2022
Federal statutory income tax rate		21.00	%		21.00	%
State taxes, net of federal benefit		3.62	%		3.85	%
Permanent differences		(0.29	)%		(0.66	)%
Other credits		1.07	%		2.27	%
Foreign rate differential		(0.08	)%		0.06	%
Foreign true-ups		0.14	%		—
Other		(3.69	)%		(0.01	)%
Change in valuation allowance		(21.79	)%		(26.51	)%
Provision for income taxes		(0.03	)%	—%

Schedule of Deferred Income Tax Assets and Liabilities

The following table presents the significant components of the Company’s deferred tax assets and liabilities for the periods presented:

	Years Ended December 31,
	2023			2022
Deferred tax assets (liabilities):
Accruals	$	1,197		$	636
Stock-based compensation		494			1,223
Fixed assets		20			33
Intangible assets		339			374
Unrealized gain		34			29
Prepaid assets		(22	)		(64	)
Capitalized research and development costs under Section 174		7,359			5,696
Net operating loss carryforwards		26,289			22,999
Research and development credits		3,175			3,181
Research and development credits unrecognized tax benefits		(317	)		(318	)
Valuation allowance		(38,568	)		(33,789	)
Net deferred tax assets (liabilities)	$	—		$	—

Schedule Of Unrecognized Tax Benefits

A reconciliation of the beginning and ending amounts of unrecognized tax benefits is as follows:

	Years Ended December 31,
	2023			2022
Balance at the beginning of the year	$	318		$	319
Additions for tax positions taken in the current year		—			37
Reduction for prior tax positions		(1	)		(38	)
Balance at the end of the year	$	317		$	318