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23. Restructuring (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Restructuring Details      
Accrued restructuring costs $ 104 $ 0  
Restructuring charges 1,137 $ 0 $ 0
Restructuring cash (380)    
Restructuring noncash $ (653)