Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2012

Fair Value Disclosures [Abstract]

Schedule of assets and liabilities measured at fair value on a recurring basis

The Company’s assets and liabilities measured at fair value on a recurring basis and the fair value hierarchy utilized to determine such fair values is as follows at December 31, 2012 and 2011 (in thousands):

			Fair Value Measurements Using
	Total Fair Value at December 31, 2012		Quoted Prices in Active Markets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets:
Marketable securities:
Certificates of deposit	$	14,997	$	14,997	$	—	$	—
Treasury bills	6,499		6,499		—		—
Total assets	$	21,496	$	21,496	$	—	$	—
Liabilities:
Foreign currency forward exchange contracts	$	8	$	—	$	8	$	—
Total liabilities	$	8	$	—	$	8	$	—

			Fair Value Measurements Using
	Total Fair Value at December 31, 2011		Quoted Prices in Active Markets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets:
Foreign currency forward exchange contracts	$	41	$	—	$	41	$	—
Total assets	$	41	$	—	$	41	$	—