Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Additional Information (Detail)

v2.4.0.8
Commitments and Contingencies - Additional Information (Detail) (USD $)
3 Months Ended 0 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Dec. 31, 2013
Nov. 08, 2013
New Lease Agreement [Member]
sqft
Loss Contingencies [Line Items]        
Rent expenses $ 100,000 $ 100,000    
Operating leases term 4 years      
Lease start date       Jan. 16, 2014
Lease expiration date Apr. 30, 2014     Dec. 31, 2018
Area of office space       8,894
Accrued in the balance sheets related to indemnification obligations 0      
Indemnification liabilities $ 0   $ 0