Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies and Nature of Operations - Aggregate Warranty Liabilities (Detail)

v3.7.0.1
Summary of Significant Accounting Policies and Nature of Operations - Aggregate Warranty Liabilities (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Jan. 02, 2016
Movement in Standard and Extended Product Warranty, Increase (Decrease) [Roll Forward]    
Warranty liabilities, beginning of period $ 110 $ 218
Adjustments to preexisting warranty liabilities 0 (109)
Additions to warranty liabilities 918 53
Reductions to warranty liabilities (139) (52)
Warranty liabilities, end of period $ 889 $ 110