Balance Sheet Components

12 Months Ended

Dec. 31, 2021

Balance Sheet Related Disclosures [Abstract]

Balance Sheet Components

5. Balance Sheet Components

Property and Equipment, Net

Property and equipment, net consists of the following:

	December 31,
	2021			2020
	(In thousands)
Machinery and equipment	$	4,139		$	3,848
Leasehold improvements		103			199
Computer equipment		73			103
Furniture and fixtures		199			73
Construction-in-progress		358			—
Total property and equipment, gross		4,872			4,223
Less accumulated depreciation and amortization		(3,227	)		(2,567	)
Total property and equipment, net	$	1,645		$	1,656

The net book value of property and equipment under capital leases was $0 and $0.3 million as of December 31, 2021 and 2020, respectively.

Accrued Expenses and Other Current Liabilities

Accrued expenses and other current liabilities consist of the following:

	December 31,
	2021		2020
	(In thousands)
Accrued research and development	$	4,023	$	850
Accrued bonus		1,957		1,080
Accrued clinical trial costs		1,672		—
Accrued general and administrative		756		922
Other accrued expenses and liabilities		283		129
Total accrued expenses and other current liabilities	$	8,691	$	2,981