Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2015

Fair Value Disclosures [Abstract]

Company's financial assets measured at fair value on a recurring basis

The Company’s financial assets measured at fair value on a recurring basis subject to disclosure requirements at June 30, 2015, and December 31, 2014 were as follows (in thousands):

	Balance at  June 30,  2015		Quoted  Prices in  Active  Markets  for  Identical  Assets (Level 1)		Significant  Other  Observable  Inputs (Level 2)		Significant Unobserved  Inputs (Level 3)
Cash equivalents:
Money market mutual funds	$	1	$	1	$	—	$	—
Total cash equivalents		1		1		—		—
Short-term investments:
Certificates of deposit		23		—		23		—
Other commodities		6		—		6		—
Commercial paper		34		—		34		—
Total short-term investments		63		—		63		—
Total financial assets measured at fair value	$	64	$	1	$	63	$	—

	Balance at December 31,  2014		Quoted Prices  in Active  Markets for Identical  Assets (Level 1)		Significant  Other  Observable  Inputs (Level 2)		Significant Unobserved  Inputs (Level 3)
Cash equivalents:
Money market mutual funds	$	1	$	1	$	—	$	—
Total cash equivalents		1		1		—		—
Short-term investments:
Certificates of deposit		123		—		123		—
Other Commodities		6		—		6		—
Total short-term investments		129		—		129		—
Total financial assets measured at fair value	$	130	$	1	$	129	$	—