Allowance for Doubtful Accounts Receivable and Sales Returns

3 Months Ended

Mar. 31, 2016

Receivables [Abstract]

Allowance for Doubtful Accounts Receivable and Sales Returns

Note 7 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, 2015	$	765		$	158
Addition (reduction) to allowance	(20		)	20
Amounts written off	(3		)	(3		)
Foreign currency translation	39			—
Balances, March 31, 2016	$	781		$	175

One customer accounted for 54% and one other customer accounted for 15% of trade accounts receivable as of March 31, 2016. At December 31, 2015, one customer accounted for 52% and one other customer accounted for 12% of trade accounts receivable.

One customer accounted for 30% or $8.4 million of consolidated revenue during the quarter ended March 31, 2016, which is reflected in our Mobile Services segment. One customer accounted for 12% of consolidated revenue, or $3.5 million, during the quarter ended March 31, 2016, also reflected in our Mobile Services segment.

One customer accounted for 17% of consolidated revenue, or $5.3 million, during the quarter ended March 31, 2015 and is reflected in our Mobile Services segment.