Balance Sheet Components (Tables)

3 Months Ended

Mar. 31, 2014

Organization Consolidation And Presentation Of Financial Statements [Abstract]

Prepaid Expenses and Other Current Assets

Prepaid expenses and other current assets (in thousands)

	March 31, 2014		December 31, 2013
Preclinical and clinical	$	515	$	847
Other		703		131
Total	$	1,218	$	978

Accrued Liabilities

Accrued Liabilities (in thousands)

	March 31, 2014		December 31, 2013
Payroll and related	$	945	$	539
Preclinical and clinical		2,399		1,726
Professional services		989		1,265
Other		144		138
Total	$	4,477	$	3,668