Quarterly report pursuant to Section 13 or 15(d)

Stock Options - Additional Information (Detail)

v2.4.0.8
Stock Options - Additional Information (Detail) (USD $)
3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock-based compensation expense     $ 71,957 $ 4,464
Weighted average grant-date fair value, Options granted     $ 0.38  
Total fair value of options, Vested     307,032  
Share based compensation expense 403,034   403,034  
Share based compensation expense not yet recognized period of recognition     3 years 26 days  
2014 Equity Incentive Plan [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Aggregate Common stock available for stock options granted, shares 2,299,382   2,299,382  
Shares available for grant 4,550,952   4,550,952  
Stock Options [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock-based compensation expense $ 45,545 $ 1,677 $ 71,957 $ 4,464
Expected term of options granted     6 years 3 months 6 years 3 months
Stock Options [Member] | 2014 Equity Incentive Plan [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock option, Expiration period     10 years