Annual report pursuant to Section 13 and 15(d)

Stock Option Plans (Additional Information) (Detail)

v2.4.0.8
Stock Option Plans (Additional Information) (Detail) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]    
Weighted average remaining contractual term on unvested options 5 years 7 months 6 days  
Exercisable Options Outstanding Shares 200,387  
Weighted average exercise price per share $ 9.71  
Unvested Options Outstanding, Shares 14,131  
Unvested Options Outstanding, Weighted average exercise price $ 9.91  
Unvested Options Outstanding Weighted average remaining life (yrs) 6 years 7 months 6 days  
Granted $ 2.00 $ 0
Exercise of Stock Options $ 0 $ 0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Aggregate Intrinsic Value 81,884  
Unrecognized stock compensation expense $ 89,217  
Weighted average recognition period 1 year 1 month 6 days  
Employee Stock Option Plan
   
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]    
Percentage Of Stock Option Vesting Period 20.00%  
Non Employee Director
   
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]    
Percentage Of Stock Option Vesting Period 50.00%