Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2016

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, 2016 and 2015, 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, 2016								December 31, 2016
	Level 1		Level 2		Level 3		Total
Cash and cash equivalents:
Cash	$	32,585	$	—	$	—	$	32,585	$	32,585
Money market funds	136		—		—		136		136
Corporate notes and bonds	—		1,000		—		1,000		1,000
Total cash and cash equivalents	32,721		1,000		—		33,721		33,721
Short-term investments:
Corporate notes and bonds	—		43,331		—		43,331		43,343
Total short-term investments	—		43,331		—		43,331		43,343
Restricted cash equivalents and investments	—		2,700		—		2,700		2,700
Warrant issued by Rhapsody (included in Other assets)	—		—		773		773		—
Total	$	32,721	$	47,031	$	773	$	80,525	$	79,764



	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

Contractual Maturities of Short-term Investments

Contractual maturities of short-term investments as of December 31, 2016 are as follows (in thousands):



	Estimated Fair Value
Within one year	$	41,135
Between one year and five years	2,196
Total short-term investments	$	43,331