Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2015

Fair Value Disclosures [Abstract]

Presentation of fair value of financial assets using the inputs

The following tables summarize our financial assets measured at fair value on a recurring basis at September 30, 2015 and December 31, 2014 (in thousands):

	Fair Value Measurements at Reporting Date Using
			Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Unobservable Inputs
	Total		(Level 1)		(Level 2)		(Level 3)
Balance at September 30, 2015
Cash	$	34,570	$	34,570	$	—	$	—
Total cash	$	34,570	$	34,570	$	—	$	—
Certificates of deposit	$	705	$	—	$	705	$	—
Merchant bank deposit	744		744		—		—
Total restricted cash and cash equivalent	$	1,449	$	744	$	705	$	—
Balance at December 31, 2014
Cash	$	55,417	$	55,417	$	—	$	—
Total cash	$	55,417	$	55,417	$	—	$	—
Certificates of deposit	$	762	$	—	$	762	$	—
Merchant bank deposit	800		800		—		—
Total restricted cash and cash equivalent	$	1,562	$	800	$	762	$	—