Quarterly report pursuant to Section 13 or 15(d)

Commitments - Additional Information (Detail)

v2.4.0.8
Commitments - Additional Information (Detail) (USD $)
3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Operating Leased Assets [Line Items]        
Prepaid rent $ 135,029   $ 135,029  
Non-current asset 105,568   105,568  
Contribution to the landlord's leasehold improvements 81,118   81,118  
Contribution to landlord leasehold improvements 89,074   89,074  
Non-current liability 64,879   64,879  
Lease interest     6.00%  
Rent expenses under operating leases 43,188 73,470 87,230 148,740
Letter of Credit [Member]
       
Operating Leased Assets [Line Items]        
Security deposit $ 66,000   $ 66,000  
Office Space [Member]
       
Operating Leased Assets [Line Items]        
Lease expiration period     2017-03  
Laboratory Space [Member]
       
Operating Leased Assets [Line Items]        
Lease termination period     2013-12  
Office and Laboratory Space [Member]
       
Operating Leased Assets [Line Items]        
Lease commencement date     Jan. 01, 2014  
Lease termination date     Jan. 31, 2019