Supplemental Balance Sheet Information

6 Months Ended

Jun. 30, 2022

Balance Sheet Related Disclosures [Abstract]

Supplemental Balance Sheet Information

5. Supplemental Balance Sheet Information

Prepaid expenses and other current assets

Prepaid expenses and other current assets consisted of the following:

	June 30, 2022		December 31, 2021
Prepaid research and development expenses	$	3,988	$	4,496
Tax incentive refund		2,960		2,697
Prepaid insurance		1,823		112
Other current assets		555		1,698
Prepaid compensation benefits		346		575
	$	9,672	$	9,578

Property and equipment, net

Property and equipment, net consisted of the following:

	June 30, 2022			December 31, 2021
Laboratory and office equipment	$	6,388		$	6,162
Leasehold improvements		1,635			1,635
Computer equipment		168			149
		8,191			7,946
Less: Accumulated depreciation and amortization		(4,573	)		(3,820	)
Property and equipment, net	$	3,618		$	4,126

Depreciation and amortization expense was $354 and $299, respectively, for the three months ended June 30, 2022 and 2021. Depreciation and amortization expense was $753 and $589, respectively, for the six months ended June 30, 2022 and 2021.

Restricted cash

As of June 30, 2022 and December 31, 2021, the Company had restricted cash of $492, which consists of cash used to secure letters of credit for the benefit of the landlord in connection with the Company’s lease agreements. The cash will be restricted until the termination or modification of the lease arrangement.

Accrued expenses and other current liabilities

Accrued expenses and other current liabilities consisted of the following:

	June 30, 2022		December 31, 2021
Research and development expenses	$	6,368	$	8,882
Compensation and benefit costs		5,304		5,579
Consulting and professional fees		771		999
Other liabilities		131		178
	$	12,574	$	15,638