Quarterly report pursuant to Section 13 or 15(d)

Common Stock - Additional Information (Detail)

v2.4.0.8
Common Stock - Additional Information (Detail) (USD $)
 1 Months Ended 9 Months Ended 0 Months Ended 9 Months Ended 9 Months Ended
Aug. 31, 2014
Oct. 31, 2009
Sep. 30, 2014
Dec. 31, 2013
Jun. 30, 2013
Aug. 31, 2014
Settlement Agreement [Member]
Apr. 11, 2014
Series A- Convertible Preferred Stock [Member]
Apr. 11, 2014
Series A Non Convertible Preferred Stock [Member]
Apr. 11, 2014
Common Stock [Member]
Sep. 30, 2014
2014 Private Placement [Member]
Apr. 11, 2014
2014 Private Placement [Member]
Sep. 30, 2014
2014 Private Placement [Member]
Placement Agent Member
Sep. 30, 2014
2014 Private Placement [Member]
Common Stock [Member]
Sep. 30, 2014
2014 Private Placement [Member]
Warrant [Member]
Common Stock [Line Items]                            
Common Stock Shares Authorized     150,000,000 150,000,000                    
Common Stock Shares , Par value     $ 0.0001 $ 0.0001                    
Common stock issued     25,801,948 6,964,788   541,948         6,000,000      
Common Stock Shares , outstanding     25,801,948 6,964,788                    
Preferred Stock converted, shares             1,835,212 200,000            
Conversion of Stock, Shares issued                 2,035,212          
Aggregate common stock sold, shares                         10,260,000  
Common stock warrants, exercise price                   $ 1.00        
Number of common stock called by warrants 162,539 27,839   301,778 301,778         10,260,000   2,047,000    
Warrant exercise term 5 years 5 years               5 years   5 years    
Fair value of stock and warrants                   $ 10,260,000     $ 5,349,000 $ 4,911,000
Net proceeds after deducting offering expense     8,454,000                      
Placement agent, cash fee                       1,023,000    
Placement agent, non-accountable expense                       $ 308,000