Balance Sheet Components (Tables)

12 Months Ended

Dec. 31, 2014

Organization Consolidation And Presentation Of Financial Statements [Abstract]

Prepaid Expenses and Other Current Assets

Prepaid expenses and other current assets (in thousands)

	December 31,
	2014		2013
Preclinical and clinical	$	2,216	$	847
Other		182		131
Total	$	2,398	$	978

Property and equipment, net

Property and equipment, net (in thousands)

	December 31,
	2014			2013
Equipment and furniture	$	706		$	50
Buildings, leasehold and building improvements		132			21
Construction-in-progress		—			—
		837			71
Less: Accumulated depreciation and amortization		(124	)		(50	)
Property and equipment, net	$	714		$	21

Accrued Liabilities

Accrued liabilities (in thousands)

	December 31,
	2014		2013
Payroll and related	$	1,737	$	539
Preclinical and clinical		3,259		1,726
Professional services		411		1,265
Other		259		138
Total	$	5,666	$	3,668