Balance Sheet Components

3 Months Ended

Mar. 31, 2020

Organization Consolidation And Presentation Of Financial Statements [Abstract]

Balance Sheet Components

3. Balance Sheet Components

Prepaid expenses and other current assets (in thousands)

	March 31,		December 31,
	2020		2019
Preclinical and clinical prepaid expenses	$	428	$	531
Lease receivable		57		900
Unbilled receivable from CPRIT		—		1,604
Other		95		44
Total	$	580	$	3,079

Property and equipment, net (in thousands)

	March 31,			December 31,
	2020			2019
Equipment and furniture	$	1,442		$	1,442
Buildings, leasehold and building improvements		2,674			2,674
		4,116			4,116
Less: Accumulated depreciation and amortization		(2,402	)		(2,308	)
Impairment loss		(498	)		—
Property and equipment, net	$	1,216		$	1,808

During the first quarter ended March 31, 2020, the Company determined leasehold improvements were impaired as described in Note 2. Depreciation expense was approximately $0.1 million for the three months ended March 31, 2020 and 2019.

Accrued Liabilities (in thousands)

	March 31,		December 31,
	2020		2019
Payroll and related	$	628	$	1,248
Preclinical and clinical		540		5
Professional services		174		32
Other		105		212
Total	$	1,447	$	1,497