Annual report pursuant to Section 13 and 15(d)

Property, Plant, and Equipment (Details Textual)

v3.6.0.2
Property, Plant, and Equipment (Details Textual) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Jan. 02, 2016
Dec. 27, 2014
Property Plant And Equipment [Abstract]      
Depreciation $ 9,184 $ 8,442 $ 7,717