Balance Sheet Details

6 Months Ended

Jun. 30, 2020

Balance Sheet Related Disclosures [Abstract]

Balance Sheet Details

Note 4. Balance Sheet Details

Property and equipment, net consisted of the following:

(in thousands)	June 30, 2020			December 31, 2019
Research equipment	$	4,282		$	3,658
Computers and software		285			271
Office equipment and furniture		574			561
Leasehold improvements		44			40
Total		5,185			4,530
Less accumulated depreciation and amortization		(2,575	)		(2,181	)
Property and equipment, net	$	2,610		$	2,349

Depreciation and amortization expense was $0.2 million and $0.2 million for the three months ended June 30, 2020 and 2019, respectively, and $0.4 million and $0.3 million for the six months ended June 30, 2020 and 2019, respectively.

Accrued liabilities consisted of the following as of June 30, 2020 and December 31, 2019:

(in thousands)	June 30, 2020		December 31, 2019
Accrued compensation	$	2,234	$	1,608
Cystic Fibrosis Foundation Liability		3,010		1,949
Singapore Economic Development Board Liability		672		—
Current portion of operating lease liability		1,337		827
Clinical Accruals		299		—
Other accrued research and development expenses		4,331		2,750
Total	$	11,883	$	7,134