Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2013

Fair Value Disclosures [Abstract]

Schedule of Fair Value of Assets and Liabilities Measured on Recurring Basis

The fair value of these assets was determined using the following inputs in accordance with ASC 820 at December 31, 2012 and 2013:

	Fair Value Measurement as of December 31, 2012
	Total	Level 1	Level 2	Level 3
Description	$	$	$	$
Money market accounts (1)	10,000	10,000	—	—

	Fair Value Measurement as of December 31, 2013
	Total	Level 1	Level 2	Level 3
Description	$	$	$	$
Money market accounts (1)	—	—	—	—

(1) Included in cash and cash equivalents on the accompanying consolidated balance sheet.