Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity and Share-Based Compensation - Restricted Stock Units (Details)

v3.3.1.900
Stockholders' Equity and Share-Based Compensation - Restricted Stock Units (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Jan. 02, 2016
Jan. 03, 2015
Jul. 28, 2015
Jun. 23, 2015
May. 20, 2015
Mar. 23, 2015
Jan. 29, 2015
Aug. 01, 2014
Apr. 03, 2014
Feb. 14, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Closing price of grant (in dollars per share)     $ 2.18 $ 2.23 $ 2.33 $ 2.18 $ 2.29      
Weighted-average period of unrecognized compensation expense 2 years 6 months 18 days                  
Restricted Stock Units (RSUs)                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Awards granted 435,000 1,015,000                
Closing price of grant (in dollars per share)               $ 3.17 $ 2.93 $ 2.03
Awards forfeited 177,000                  
Compensation expense $ 1,331                  
Unrecognized compensation expense $ 131                  
Weighted-average period of unrecognized compensation expense 2 months 16 days                  
Time-Based RSU Award                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Awards granted   738,000                
Performance-based RSU Award                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Awards granted 277,000                  
Awards forfeited 100,000                  
Minimum | Restricted Stock Units (RSUs)                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Pre-defined period of employment 1 year                  
Maximum | Restricted Stock Units (RSUs)                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Pre-defined period of employment 2 years