Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity - Summary of Note Issued to Employee for Exercise of Stock Options (Detail)

v3.3.1.900
Stockholders' Equity - Summary of Note Issued to Employee for Exercise of Stock Options (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Debt Conversion [Line Items]    
Outstanding Balance of Employee Loan   $ 375
Note Outstanding to Employee Loan [Member]    
Debt Conversion [Line Items]    
Date Issued 2006-11  
Outstanding Balance of Employee Loan   $ 375
Maturity Date of Note 2015-11  
Interest Rate on Note 8.15%