Fair Value of Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2015

Fair Value Disclosures [Abstract]

Fair Value Measurement

The following tables represent the financial instruments measured at fair value on a recurring basis on the financial statements of the Company and the valuation approach applied to each class of financial instruments at December 31, 2015 and 2014 (see Note 2, Summary of Significant Accounting Policies for further information):

	December 31, 2015
	(in thousands)
	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
Assets:
Money market funds (cash equivalents)	$	5,221	$	—	$	—	$	5,221
Corporate notes and bonds	—		9,332		—		9,332
Asset-backed securities	—		2,507		—		2,507
Total assets measured at fair value	$	5,221	11,839		$	—	$	17,060

	December 31, 2014
	(in thousands)
	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
Assets:
Money market funds (cash equivalents)	$	13,127	$	—	$	—	$	13,127
Corporate notes and bonds	—		12,974		—		12,974
Asset-backed securities	—		141		—		141
Total assets measured at fair value	$	13,127	$	13,115	$	—	$	26,242