Income Taxes (Tables)

6 Months Ended

Jun. 30, 2016

Income Tax Disclosure [Abstract]

Summary of the provision for (benefit from) income taxes

The components of the provision for income taxes are shown below for the periods presented (in thousands):

	Three months ended June 30,				Six months ended June 30,
	2016		2015		2016		2015
Current:
U.S. federal	$	—	$	813	$	—	$	813
State	—		110		11		110
Provision for income taxes	$	—	$	923	$	11	$	923