Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2015

Accounting Policies [Abstract]

Adjustment of Transactions Revenue

The table below shows the adjustments made to gross service revenue to arrive at net revenues, the amount reported on our statement of operations (in thousands):

	For the Years ended December 31,
	2015			2014			2013
Gross service revenues	$	225,057		$	224,460		$	173,784
Total contractual adjustments and discounts		(125,255	)		(137,391	)		(107,317	)
Net service revenues	$	99,802		$	87,069		$	66,467

Summary of Changes in Allowance for Doubtful Accounts

Changes in the allowance for doubtful accounts are as follows (in thousands):

	Years Ended December 31,
	2015			2014			2013
Beginning balance – allowance for doubtful accounts	$	4,180		$	4,540		$	3,002
Provision for doubtful accounts		2,318			2,437			2,797
Write-offs		(1,739	)		(2,797	)		(1,259	)
Ending balance – allowance for doubtful accounts	$	4,759		$	4,180		$	4,540