Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Other Related Party Transactions - Additional Information (Detail)

v3.5.0.2
Other Related Party Transactions - Additional Information (Detail) - USD ($)
3 Months Ended 6 Months Ended
Apr. 20, 2016
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Related Party Transaction [Line Items]          
Options, grant date price       $ 6.77  
Executive Vice President [Member]          
Related Party Transaction [Line Items]          
Fees for consulting work performed   $ 66,000 $ 65,000 $ 132,000 $ 130,000
Payment of annual bonus compensation       $ 79,000 $ 78,000
Options, number granted 100,000        
Options, grant date price $ 7.15        
Options, weighted average fair market value $ 3.06        
Options, vesting period 3 years