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Balance Sheet Components

12 Months Ended

Dec. 31, 2020

4. Balance Sheet Components

Prepaid Expenses and Oher Non-current assets

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

	December 31,
	2020		2019
Prepaid clinical and research expenses	$	—	$	1,462
Deferred offering costs		—		894
Deposits		608		58
Total prepaid expenses and other non-current assets	$	608	$	2,414

Property and Equipment, net

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

	December 31,
	2020			2019
Manufacturing and laboratory equipment	$	2,179		$	1,863
Computer hardware		28			28
Office furniture and equipment		28			28
Leasehold improvement		234			—
Construction in progress		611			795
Total property and equipment, at cost		3,080			2,714
Less: accumulated depreciation		(1,134	)		(739	)
Property and equipment, net	$	1,946		$	1,975

Depreciation expense for the years ended December 31, 2020 and 2019 was $395,000 and $303,000, respectively.

Other Current Liabilities

Other current liabilities consisted of the following (in thousands):

	December 31,
	2020		2019
Salaries and benefits	$	2,302	$	2,044
Professional services		425		946
Deferred rent		27		—
Other		374		134
Total other current liabilities	$	3,128	$	3,124