

Note 6	Allowance for Doubtful Accounts Receivable and Sales Returns

Activity in the allowance for doubtful accounts receivable and sales returns (in thousands):



	Allowance For
	Doubtful Accounts Receivable			Sales Returns
Balances, December 31, 2014	$	1,288		$	354
Addition (reduction) to allowance	139			(194		)
Amounts written off	(98		)	(6		)
Foreign currency translation	(68		)	—
Balances, June 30, 2015	$	1,261		$	154

One customer accounted for 47% and one customer accounted for 10% of trade accounts receivable as of June 30, 2015. At December 31, 2014, one customer accounted for 21% and one other customer accounted for 15% of trade accounts receivable.

One customer accounted for 30% of consolidated revenue, or $10.2 million, and one customer accounted for 11% or $3.8 million of consolidated revenue during the quarter ended June 30, 2015; both are reflected in our Mobile Entertainment segment. One customer accounted for 24% of consolidated revenue, or $15.5 million, during the six months ended June 30, 2015, also reflected in our Mobile Entertainment segment.

One customer accounted for 21% of consolidated revenue, or $8.6 million, during the quarter ended June 30, 2014 and 19%, or $16.4 million, during the six months ended June 30, 2014 and is reflected in our Mobile Entertainment segment. One additional customer accounted for 12% of consolidated revenue, or $10.5 million, during the six months ended June 30, 2014 and is reflected in our RealPlayer segment.