Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2014

Fair Value Disclosures [Abstract]

Schedule of Company's Financial Assets and (Liabilities) at Fair Value on Recurring Basis

The following table summarizes the basis used to measure the Company’s financial assets (liabilities) at fair value on a recurring basis in the balance sheet at December 31, 2014 and 2013:

	Basis of Fair Value Measurements
	Balance at December 31, 2014		Level 1		Level 2		Level 3
	(In thousands)
Money market investments	$	21,094	$	21,094	$	—	$	—
Available for sale securities	4,513		4,513		—		—

	Balance at December 31, 2013		Level 1		Level 2		Level 3
	(In thousands)
Money market investments	$	27,871	$	27,871	$	—	$	—
Available for sale securities	3,255		3,255		—		—