SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

12 Months Ended

Dec. 31, 2013

Accounting Policies [Abstract]

Summary of Adjustments in Allowances for Doubtful Accounts and Sales Adjustments

The following table summarizes the changes in the allowances for doubtful accounts and sales adjustments:

	Years ended December 31,
	2013			2012			2011
Balance at beginning of year	$	1,621		$	990		$	1,603
Provisions for losses—accounts receivable		729			961			805
Collection of accounts previously reserved		—			—			(142	)
Deductions for accounts charged off or credits issued		(1,237	)		(330	)		(1,276	)
Balance at end of year	$	1,113		$	1,621		$	990