Annual report pursuant to Section 13 and 15(d)

Subsequent Event - Changes in Senior Leadership - Additional Information (Detail)

v2.4.0.8
Subsequent Event - Changes in Senior Leadership - Additional Information (Detail)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2009
Dec. 31, 2008
Subsequent Event [Line Items]      
Employment agreements date Jan. 21, 2014    
Employment agreements initial term 3 years    
Employment agreements term extension 1 year 1 year 1 year