Annual report pursuant to section 13 and 15(d)

Discontinued Operations - Additional Information (Detail)

v2.4.0.8
Discontinued Operations - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
1 Months Ended 4 Months Ended 12 Months Ended
Oct. 31, 2010
Mar. 04, 2011
Oct. 28, 2010
Dec. 31, 2013
Minimum
Dec. 31, 2013
Maximum
Discontinued Operations [Line Items]          
Proceed from disposal of a business $ 1.0 $ 2.3      
Receivable from disposal of a business   1.3 1.3    
Proceed from disposal of a business accounted for purchase of inventory 1.3        
Purchase agreement and a secured promissory note $ 1.3        
Sale of purchased inventory 50.00%        
Sublease period       6 months 9 months