Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2017

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

The following table presents information about the Company’s assets as of June 30, 2017 and December 31, 2016 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 (note there were no liabilities measured at fair value on a recurring basis in either of the periods presented):

	Fair Value Measurements as of June 30, 2017 Using:
	Level 1		Level 2		Level 3		Not Subject to Leveling ⁽¹⁾		Total
Assets:
Cash Equivalents	$	—	$	1,000	$	—	$	2,317	$	3,317
Investments:
Commercial Paper	$	—	$	16,699	$	—	$	—	$	16,699
Certificates of Deposit		—		8,174		—		—		8,174
Corporate Bonds		—		74,174		—		—		74,174
Government Securities		—		26,431		—		—		26,431
Treasury Bonds		—		16,054		—		—		16,054
	$	—	$	142,532	$	—	$	2,317	$	144,849
⁽¹⁾ Certain cash equivalents and investments that are valued using the net asset value per share (or its equivalent) practical expedient have not been classified in the fair value hierarchy.

	Fair Value Measurements as of December 31, 2016 Using:
	Level 1		Level 2		Level 3		Not Subject to Leveling ⁽¹⁾		Total
Assets:
Cash Equivalents	$	—	$	4,740	$	—	$	1,567	$	6,307
Repurchase Agreements		—		7,000		—		—		7,000
Investments:
Commercial Paper	$	—	$	19,689	$	—	$	—	$	19,689
Certificates of Deposit		—		10,629						10,629
Corporate Bonds		—		94,609		—		—		94,609
Government Securities		—		33,466		—		—		33,466
Treasury Bonds		—		17,063		—		—		17,063
	$	—	$	187,196	$	—	$	1,567	$	188,763
⁽¹⁾ Certain cash equivalents and investments that are valued using the net asset value per share (or its equivalent) practical expedient have not been classified in the fair value hierarchy.