Supplemental Balance Sheet Information (Tables)

12 Months Ended

Dec. 31, 2020

Balance Sheet Related Disclosures [Abstract]

Summary of Prepaid Expenses and Other Current Assets

Prepaid expenses and other current assets consisted of the following:

	December 31,
	2020		2019
Tax incentive refund	$	2,558	$	1,916
Prepaid research and development expenses		3,145		4,915
Prepaid insurance		973		897
Prepaid compensation benefits		609		362
Interest income receivable		4		224
Other current assets		271		344
	$	7,560	$	8,658

Summary of Property and Equipment, Net

Property and equipment, net consisted of the following:

	December 31,
	2020			2019
Laboratory and office equipment	$	3,965		$	3,456
Leasehold improvements		1,377			1,340
Computer equipment		143			134
		5,485			4,930
Less: Accumulated depreciation and amortization		(2,421	)		(1,234	)
Property and equipment, net	$	3,064		$	3,696

Summary of Restricted Cash

As of December 31, 2020 and 2019, the Company had restricted cash as presented in the table below, 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.

	December 31,
	2020		2019
Restricted cash	$	492	$	492

Summary of Accrued Expenses

Accrued expenses consisted of the following:

	December 31,
	2020		2019
Compensation and benefit costs	$	6,402	$	3,028
Research and development expenses		5,847		5,794
Consulting and professional fees		1,096		917
Other liabilities		348		115
	$	13,693	$	9,854