Balance Sheet Components (Tables)

12 Months Ended

Dec. 31, 2021

Balance Sheet Components [Abstract]

Schedule of Prepaid Expenses and Other Current Assets

Prepaid expenses and other current assets consisted of the following (in thousands):

	December 31,
	2021		2020
Prepaid expenses	$	333	$	274
Prepaid insurance		1,144		964
Prepaid research and development expenses		1,899		2,110
Australia research and development refundable tax credit		1,128		—
Other current assets		367		694
Total prepaid expenses and other current assets	$	4,871	$	4,042

Schedule of Property and Equipment, Net

Property and equipment, net consisted of the following (in thousands):

	December 31,
	2021			2020
Computer equipment	$	53		$	33
Lab equipment		528			405
Finance lease right of use assets		557			557
Leasehold improvement		58			21
Office furniture		26			26
Less: accumulated amortization and depreciation		(959	)		(615	)
Property and equipment, net	$	263		$	427

Schedule of Accrued Expenses and Other Current Liabilities

Accrued expense and other current liabilities consisted of the following (in thousands):

	December 31,
	2021		2020
Personnel expenses	$	820	$	2,415
Professional fees		462		141
Research and development expenses		7,108		10,603
Current portion of operating lease liabilities		741		238
Other		180		44
Total accrued expenses and other current liabilities	$	9,311	$	13,441