Annual report pursuant to section 13 and 15(d)

Stock Compensation Plans (A Summary Of The Status Of 1999 Plan) (Detail)

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Stock Compensation Plans (A Summary Of The Status Of 1999 Plan) (Detail) (USD $)
In Thousands, except Share data, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2013
Shares          
Options outstanding, beginning balance 4,475,000 4,475,000 4,475,000    
Exercised (50,000)        
Options outstanding, ending balance 4,425,000 4,475,000 4,475,000 4,475,000  
Vested or expected to vest 4,425,000        
Options exercisable, ending balance 4,425,000        
Weighted- Average Exercise Price          
Options outstanding $ 1.63 $ 1.63 $ 1.63    
Exercised $ 1.05        
Options outstanding $ 1.63 $ 1.63 $ 1.63 $ 1.63  
Vested or expected to vest $ 1.63        
Options exercisable, ending balance $ 1.63        
Weighted- Average Remaining Contractual Term          
Options outstanding 3 years 5 months 12 days 4 years 5 months 9 days 4 years 5 months 9 days 4 years 5 months 9 days  
Vested or expected to vest 3 years 5 months 12 days        
Options exercisable, ending balance 3 years 5 months 12 days        
Aggregate Intrinsic Value          
Options outstanding $ 516 $ 516 $ 516   $ 6,624
Vested or expected to vest 6,624        
Options exercisable, ending balance 6,624        
Plan 1999 [Member]
          
Shares          
Options outstanding, beginning balance 17,302,468 17,765,468 17,195,240    
Granted 0 500,000 1,655,000    
Exercised (285,067) (881,500) (634,772)    
Forfeited (30,000) (35,000) (65,000)    
Expired (55,000) (46,500) (385,000)    
Options outstanding, ending balance 16,932,401 17,302,468 17,765,468 17,195,240  
Vested or expected to vest 16,926,441        
Options exercisable, ending balance 14,994,901        
Weighted- Average Exercise Price          
Options outstanding $ 1.43 $ 1.36 $ 1.38    
Granted $ 0.00 $ 2.80 $ 1.27    
Exercised $ 1.33 $ 0.88 $ 0.88    
Forfeited $ 1.38 $ 1.90 $ 1.73    
Expired $ 0.34 $ 0.27 $ 2.72    
Options outstanding $ 1.43 $ 1.43 $ 1.36 $ 1.38  
Vested or expected to vest $ 1.43        
Options exercisable, ending balance $ 1.44        
Weighted- Average Remaining Contractual Term          
Options outstanding 4 years 4 months 24 days 5 years 4 months 6 days 6 years 0 months 11 days 6 years 6 months 11 days  
Vested or expected to vest 4 years 4 months 24 days        
Options exercisable, ending balance 4 years 0 months 29 days        
Aggregate Intrinsic Value          
Options outstanding 4,475 19,977 2,980   28,748
Vested or expected to vest 28,743        
Options exercisable, ending balance $ 25,429