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
Mar. 31, 2014
Mar. 31, 2013
Operating Leased Assets [Line Items]    
Prepaid rent $ 142,394  
Non-current asset 112,934  
Contribution to the landlord's leasehold improvements 86,518  
Contribution to landlord leasehold improvements 89,074  
Non-current liability 70,611  
Lease interest 6.00%  
Rent expenses under operating leases 44,043 75,271
Letter of Credit [Member]
   
Operating Leased Assets [Line Items]    
Security deposit $ 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