Quarterly report pursuant to Section 13 or 15(d)

Segment Information - Summarized Segment Information (Detail)

v3.4.0.3
Segment Information - Summarized Segment Information (Detail) - USD ($)
$ in Thousands
 3 Months Ended
Apr. 02, 2016
Apr. 04, 2015
Jan. 02, 2016
Segment Reporting Information [Line Items]      
Net sales $ 80,806 $ 76,388  
Gross profit 24,592 21,478  
Operating costs [1] 23,410 21,496  
Income (loss) from operations 1,182 (18)  
Capital expenditures 1,276 2,151  
Depreciation and amortization 1,851 1,934  
Total assets, net 78,861 83,839 $ 83,756
Operating Segments | Base USAP      
Segment Reporting Information [Line Items]      
Net sales 80,746 76,325  
Gross profit 24,532 21,415  
Operating costs [1] 22,621 20,720  
Income (loss) from operations 1,911 695  
Capital expenditures 1,005 1,966  
Depreciation and amortization 1,544 1,549  
Total assets, net 73,988 76,172  
Operating Segments | AutoMD      
Segment Reporting Information [Line Items]      
Net sales 60 63  
Gross profit 60 63  
Operating costs [1] 789 776  
Income (loss) from operations (729) (713)  
Capital expenditures 271 185  
Depreciation and amortization 307 385  
Total assets, net $ 4,873 $ 7,667  
[1] Operating costs for AutoMD primarily consist of depreciation and amortization on fixed assets and personnel costs. Indirect costs are not allocated to AutoMD.