Fair Value of Financial Assets and Liabilities (Tables)

12 Months Ended

Dec. 31, 2015

Fair Value Disclosures [Abstract]

Summary of Assets and Liabilities Measured at Fair Value on Recurring Basis

The following tables present information about the Company’s assets and liabilities as of December 31, 2015 and 2014 that are measured at fair value on a recurring basis and indicate the level of the fair value hierarchy utilized to determine such fair values:

	Fair Value Measurements as of December 31, 2015 Using:
	Level 1		Level 2		Level 3		Total
Assets:
Cash Equivalents	$	—	$	23,125	$	—	$	23,125
Repurchase Agreements		—		20,000		—		20,000
Investments:
Commercial Paper		—		64,820		—		64,820
Corporate Bonds		—		46,490		—		46,490
Government Securities		—		15,819		—		15,819
Treasury Bonds		—		4,020		—		4,020
	$		$	174,274	$		$	174,274

	Fair Value Measurements as of December 31, 2014 Using:
	Level 1		Level 2		Level 3		Total
Liabilities:
Liability for preferred stock warrant	$	—	$	—	$	1,582	$	1,582
	$	—	$	—	$	1,582	$	1,582