Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2012

Fair Value Measurements [Abstract]

Schedule of financial assets and liabilities measured at fair value

The following table presents our financial assets and liabilities that are carried at fair value, classified according to the three categories described above (in thousands):

	Fair Value Measurement at September 30, 2012
	Total		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets:
Cash equivalents—money market funds	$	1,441	$	1,441	$	—	$	—
Cash equivalents—commercial paper		7,749		—		7,749		—
Cash equivalents—corporate bonds		4,258		—		4,258		—
Derivatives—currency swap, current portion		249		—		249		—
Total assets	$	13,697	$	1,441	$	12,256	$	—