Annual report pursuant to Section 13 and 15(d)

Subsequent Event - Additional Information (Detail)

v3.3.1.900
Subsequent Event - Additional Information (Detail) - $ / shares
12 Months Ended
Feb. 16, 2016
Feb. 15, 2016
Mar. 16, 2015
Dec. 31, 2015
Dec. 31, 2014
Subsequent Event [Line Items]          
Stock option awards       928,500 257,500
Exercise price of plan       $ 1.31 $ 1.65
2012 Equity Incentive Plan [Member] | Non-employee Directors [Member] | Restricted Stock [Member]          
Subsequent Event [Line Items]          
Restricted shares awarded     40,000    
Restricted shares vest in each quarter end       40,000  
Restricted shares ending date       Under the Company's 2012 Plan of which 10,000 restricted shares will vest at the end of each calendar quarter in 2016 provided the recipient remains a director through the vesting date.  
Subsequent Event [Member] | 2012 Equity Incentive Plan [Member] | Non-employee Directors [Member]          
Subsequent Event [Line Items]          
Stock option awards   80,000      
Exercise price of plan $ 0.84        
Vesting period   2 years      
Subsequent Event [Member] | 2012 Equity Incentive Plan [Member] | Non-employee Directors [Member] | Restricted Stock [Member]          
Subsequent Event [Line Items]          
Restricted shares awarded   40,000      
Restricted shares vest in each quarter end   10,000