Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity and Share-Based Compensation - Additional Information (Detail)

v2.4.0.8
Stockholders' Equity and Share-Based Compensation - Additional Information (Detail) (USD $)
In Thousands, except Per Share data, unless otherwise specified
 12 Months Ended 3 Months Ended 12 Months Ended 0 Months Ended 12 Months Ended 1 Months Ended
Dec. 28, 2013
Dec. 29, 2012
Dec. 31, 2011
Sep. 28, 2013
Series A Convertible Preferred Stock [Member]
Jun. 29, 2013
Series A Convertible Preferred Stock [Member]
Dec. 28, 2013
Series A Convertible Preferred Stock [Member]
Dec. 31, 2013
Series A Convertible Preferred Stock [Member]
Subsequent Event [Member]
Dec. 28, 2013
Minimum [Member]
Dec. 29, 2012
Minimum [Member]
Dec. 31, 2011
Minimum [Member]
Dec. 28, 2013
Maximum [Member]
Dec. 29, 2012
Maximum [Member]
Dec. 31, 2011
Maximum [Member]
Dec. 28, 2013
Board Of Directors [Member]
Dec. 28, 2013
Common Stock [Member]
Dec. 29, 2012
Common Stock [Member]
Mar. 30, 2013
Common Stock [Member]
William Blair & Company, LLC [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                  
Common stock, shares authorized 100,000 100,000                              
Shares of common stock issued from option exercises 101                           101 489  
Common stock issued in dividend payment on Series A convertible preferred stock       50     24                    
Aggregate amount of common stock dividend $ 60     $ 60   $ 60                      
Dividend payment date       Sep. 30, 2013 Jul. 01, 2013 Dec. 31, 2013                      
Common stock issued                           23 23    
Equity value of issued stock awards 31                                
Sale of common stock to William Blair & Company, LLC                             2,050   2,050
Share price under common stock purchase agreement                                 $ 1.09
Proceeds to the company under common stock purchase agreement 2,235                               2,235
Payment of issuance costs under common stock purchase agreement 244                               223
Amounts capitalized to internally-developed software 220 252 219                            
Tax benefit valuation allowance recognized $ 0 $ 0 $ 0                            
Previous estimated forfeiture rate                   10.00%     18.00%        
Revised estimated forfeiture rate               16.00% 16.00%   34.00% 34.00%