Annual report pursuant to section 13 and 15(d)

Office Lease - Additional Information (Detail)

v2.4.0.6
Office Lease - Additional Information (Detail)
12 Months Ended
Dec. 31, 2012
Lease agreement commencement date Jun. 01, 2008
Lease expiration date Jun. 01, 2011
First Amendment
 
Lease agreement amendment date March 8, 2011
Extended lease expiration date May 31, 2012
Second Amendment
 
Lease agreement amendment date July 24, 2012
Extended lease expiration date July 31, 2015