v2.4.0.8
Summary Of Stock Option Activity (Detail) (USD $)
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Number of Shares    
Beginning Balance 433,000 546,001
Granted 10,000 8,000
Exercised (30,500) (3,334)
Forfeited (133,500) (117,667)
Ending Balance 279,000 433,000
Exercisable 269,000 425,000
Options vested and expected to vest thereafter 279,000 433,000
Weighted Average Exercise Price    
Beginning Balance $ 3.60 $ 4.54
Granted $ 3.80 $ 1.80
Exercised $ 0.94 $ 0.90
Forfeited $ 4.84 $ 7.90
Ending Balance $ 3.31 $ 3.60
Exercisable $ 3.29 $ 3.64
Options vested and expected to vest thereafter $ 3.31 $ 3.60
Weighted-Average Remaining Contractual Term    
Outstanding, end of period 2 years 6 months 2 years 4 months 24 days
Exercisable, end of period 2 years 2 months 12 days 2 years 3 months 18 days
Options vested and expected to vest thereafter 2 years 6 months 2 years 4 months 24 days
Aggregate Intrinsic Value    
Outstanding, end of period $ 321,200 $ 157,000
Exercisable 321,200 155,000
Options vested and expected to vest thereafter $ 321,200 $ 157,000