Balance Sheet Items

12 Months Ended

Dec. 31, 2021

Balance Sheet Related Disclosures [Abstract]

Balance Sheet Items

4. Balance Sheet Items

Prepaid Expenses and Other Current Assets

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

	December 31, 2021		December 31, 2020
Prepaid insurance	$	2,099	$	41
Prepaid research and development expenses		1,945		1,259
Other prepaid expenses and other assets		1,015		43
Total prepaid expenses and other current assets	$	5,059	$	1,343

Property and Equipment, Net

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

	December 31, 2021			December 31, 2020
Furniture and fixtures	$	78		$	78
Leasehold improvements		15			15
Property and equipment, gross		93			93
Less: accumulated depreciation and amortization		(36	)		(16	)
Property and equipment, net	$	57		$	77

Depreciation expense for the years ended December 31, 2021, 2020, and 2019 was approximately $20,000, $16,000, and zero, respectively.

Accrued Expenses and Other Current Liabilities

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

	December 31, 2021		December 31, 2020
Accrued payroll related expenses	$	3,308	$	717
Accrued research and development expenses		2,565		554
Accrued professional service expenses		732		298
Other		104		27
Total accrued expenses and other current liabilities	$	6,709	$	1,596