XML 55 R45.htm IDEA: XBRL DOCUMENT v3.5.0.2
Accounts Receivable, Net and Revenue Concentrations - Allowance for Doubtful Accounts (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Schedule of Allowance for Doubtful Accounts    
Balance at beginning of period $ 822 $ 616
Additions (reductions) to costs and expenses 116 138
(Write-offs)/Foreign exchange effects 4 (68)
Balance at end of period $ 942 $ 686