Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity and Share-Based Compensation - Warrants (Details)

v3.3.1.900
Stockholders' Equity and Share-Based Compensation - Warrants (Details) - USD ($)
12 Months Ended
May. 05, 2009
Jan. 02, 2016
Jan. 03, 2015
Apr. 27, 2010
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Weighted-average period of unrecognized compensation expense   2 years 6 months 18 days    
Unrecognized share-based compensation expense   $ 1,371,000    
Warrant        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Exercise price (in dollars per share) $ 2.14     $ 8.32
Expiration period 7 years      
Warrants exercised (in shares)     0  
Aggregate intrinsic value for warrants outstanding and exercisable   24,000    
Unrecognized share-based compensation expense   $ 0    
Warrants Issued | Warrant        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of warrants (in shares) 30,000 50,000   20,000