Prepaid Expenses and Other Current Assets (Tables)

6 Months Ended

Jun. 30, 2013

Prepaid Expenses and Other Current Assets

Schedule of prepaid expenses and other current assets

	December 31, 2012		June 30, 2013
			(unaudited)
Prepaid expenses	$	459	$	774
Prepaid taxes	155		314
Prepaid insurance	8		66
Prepaid business travel	331		41
Other current assets	—		3,019		(1)
	$	953	$	4,214

(1) Other current assets primarily consist of capitalized and prepaid offering costs that will be reclassified to additional paid-in capital upon the closing of the IPO on July 2, 2013.