Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events - Additional Information (Detail)

v2.4.0.8
Subsequent Events - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified
1 Months Ended 1 Months Ended
Jun. 30, 2013
Promissory Note
Oct. 31, 2014
Promissory Note
Jun. 30, 2013
U.S Prime Rate Plus
Oct. 31, 2014
Subsequent Event
Subsequent Event [Line Items]        
Issuance of promissory notes with aggregate principal amount $ 5,300 $ 3,578    
Interest on principal amount     1.00%  
Principal amount payment terms The principal amounts of the notes were originally payable in four equal annual installments on each of June 3, 2014, 2015, 2016 and 2017.     As a result, the principal amounts of the notes of $3,578 are payable in four equal installments of approximately $900 on November 1, 2014, and on each of August 1, 2015, 2016 and 2017.
Aggregate periodic principal amounts       1,722
Aggregate annual principal amounts       $ 900