DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

12 Months Ended

Dec. 31, 2014

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Percentage of Revenue from Individual Customers

The percentages of revenue from individual customers totaling greater than 10% of total consolidated Company revenue were as follows:

	Years Ended December 31,
	2014		2013		2012
Distributor A	14.8	%	15.2	%	16.3	%
Distributor B	12.5	%	12.4	%	*
Distributor C	10.9	%	*		*
Distributor D	*		*		12.5	%
*    Less than 10%

Each of the Company’s greater than 10% customers are third-party distributors, and in 2013 and 2014, no single value added reseller or end customer accounted for more than 10% of the Company's total consolidated revenue. 

The percentage of receivables from individual customers totaling greater than 10% of total consolidated Company accounts receivable were as follows:

	December 31,
	2014		2013
Distributor C	12.5	%	10.4	%
Distributor A	*		11.6	%
Distributor E	*		11.2	%
*    Less than 10%

Allowance for doubtful accounts

Activity in the allowance for doubtful accounts was as follows (in thousands):

	Years Ended December 31,
	2014		2013			2012
Balance at beginning of year	$	400	$	140		$	117
Charged to expenses	400		911			179
Write-offs	—		(651		)	(156		)
Balance at end of year	$	800	$	400		$	140