Subsequent Events (Tables)

6 Months Ended

Jun. 30, 2013

Pro Forma Net Proceeds from Initial Public Offering

Pro forma net proceeds from our public offering were determined as follows (in thousands):

Gross proceeds (including over-allotment)	$	49,163
Underwriting discounts and commissions		(2,950	)
Estimated total offering costs		(360	)
Offering costs paid as of June 30, 2013		—
Pro forma net proceeds	$	45,853

Summary of Actual Balance Sheet Data and Pro forma Balance Sheet Data to Reflect the Activities Related to Public Offering

The following table summarizes certain actual balance sheet data and pro forma balance sheet data to reflect the activities related to our public offering noted above, as of June 30, 2013 (in thousands):

	June 30, 2013		Pro forma June 30, 2013
Cash, cash equivalents and short-term investments	$	82,715	$	128,709
Other assets		404		185
Accounts payable and accrued expenses		3,109		2,890
Common stock		36		41
Additional paid-in capital		124,363		170,352
Total stockholders’ equity	$	49,321	$	95,315