Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2015

Financial Assets Measured at Fair Value on a Recurring Basis

The following tables present information about our financial assets that have been measured at fair value on a recurring basis as of December 31, 2015 and 2014, and indicates the fair value hierarchy of the valuation inputs utilized to determine fair value (in thousands).



	Fair Value Measurements as of								Amortized Cost as of
	December 31, 2015								December 31, 2015
	Level 1		Level 2		Level 3		Total
Cash and cash equivalents:
Cash	$	23,152	$	—	$	—	$	23,152	$	23,152
Money market funds	5,061		—		—		5,061		5,061
Corporate notes and bonds	—		19,102		—		19,102		19,102
Total cash and cash equivalents	28,213		19,102		—		47,315		47,315
Short-term investments:
Corporate notes and bonds	—		51,814		—		51,814		51,862
Total short-term investments	—		51,814		—		51,814		51,862
Restricted cash equivalents and investments	—		2,890		—		2,890		2,890
Equity investments in publicly traded securities	1,721		—		—		1,721		362
Warrant issued by Rhapsody (included in Other assets)	—		—		1,053		1,053		—
Total	$	29,934	$	73,806	$	1,053	$	104,793	$	102,429



	Fair Value Measurements as of								Amortized Cost as of
	December 31, 2014								December 31, 2014
	Level 1		Level 2		Level 3		Total
Cash and cash equivalents:
Cash	$	30,105	$	—	$	—	$	30,105	$	30,105
Money market funds	11,629		—		—		11,629		11,630
Corporate notes and bonds	—		61,519		—		61,519		61,520
Total cash and cash equivalents	41,734		61,519		—		103,253		103,255
Short-term investments:
Corporate notes and bonds	—		51,453		—		51,453		51,438
U.S. government agency securities	7,000		—		—		7,000		7,000
Total short-term investments	7,000		51,453		—		58,453		58,438
Restricted cash equivalents and investments	—		3,000		—		3,000		3,000
Equity investments in publicly traded securities	2,676		—		—		2,676		428
Total	$	51,410	$	115,972	$	—	$	167,382	$	165,121

Contractual Maturities of Short-term Investments

Contractual maturities of short-term investments as of December 31, 2015 are as follows (in thousands):



	Estimated Fair Value
Within one year	$	51,389
Between one year and five years	425
Total short-term investments	$	51,814