Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity and Share-Based Compensation - Additional Information 1 (Detail)

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Stockholders' Equity and Share-Based Compensation - Additional Information 1 (Detail) (USD $)
In Thousands, except Share data, unless otherwise specified
 0 Months Ended 1 Months Ended 3 Months Ended
Dec. 31, 2013
Apr. 30, 2013
Mar. 30, 2013
Mar. 29, 2014
Dec. 28, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Percentage of changes of control of company and sales or other dispositions by company       More than 50%  
Series A Convertible Preferred Stock [Member]
          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Series A convertible preferred stock, shares authorized     4,150,000 4,150,000 4,150,000
Aggregate shares to be sold     4,150,000    
Series A convertible preferred stock, par value     $ 0.001 $ 0.001 $ 0.001
Convertible common stock initial conversion price     $ 1.45 $ 1.45  
Preferred stock purchase, amount     $ 6,017    
Preferred stock sold   150,000 4,000,000    
Aggregate proceeds of preferred stock   217 5,800    
Issuance costs incurred to company     847    
Conversion rate of common stock for each share of Series A preferred stock       1  
Consecutive trading days for calculating weighted average price for the common stock       30 days  
Minimum common stock price for consecutive thirty trading days for stock conversion       $ 4.35  
Amount per share to series A preferred in case of liquidation     $ 1.45 $ 1.45 $ 1.45
Preferred stock annual dividend rate       $ 0.058  
Cash dividends on amended credit       400  
Common stock dividends during the period       $ 59 $ 60
Common stock issued in dividend payment on Series A convertible preferred stock 24,000     19,000  
Dividend payment date       Mar. 31, 2014