Accounts Receivable, Net (Tables)

6 Months Ended

Jun. 30, 2012

Accounts Receivable, Net [Abstract]

Schedule of accounts receivable, net

Accounts receivable, net consists of the following:

	June 30,			December 31,
	2012			2011
Trade receivables	$	38,997		$	35,482
Unbilled revenue		8,491			6,347
Other receivables		1,714			1,250
		49,202			43,079
Less: Allowance for doubtful accounts		(198	)		(359	)
Accounts receivable, net	$	49,004		$	42,720