Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2014

Fair Value Measurements

Schedule of the Company's financial assets and liabilities that have been measured at fair value on a recurring basis

Description	Total		Level 1		Level 2		Level 3
	(in thousands)
June 30, 2014
Assets:
Money market funds	$	357	$	357	$	—	$	—
Available for sale securities:
Certificates of deposit	237		237		—		—
U.S. treasury notes	11,108		11,108		—		—
U.S. government agency securities	7,496		—		7,496		—
Total assets at fair value	$	19,198	$	11,702	$	7,496	$	—
December 31, 2013
Assets:
Money market funds	$	5,356	$	5,356	$	—	$	—
Available for sale securities:
Certificates of deposit	238		238		—		—
U.S. treasury notes	11,188		11,188		—		—
U.S. government agency securities	9,637		—		9,637		—
Total assets at fair value	$	26,419	$	16,782	$	9,637	$	—