Annual report pursuant to Section 13 and 15(d)

Subsequent Events - Additional Information (Detail)

v3.5.0.2
Subsequent Events - Additional Information (Detail) - Subsequent Event - Stock Options
Jun. 01, 2016
$ / shares
shares
Directors  
Subsequent Event [Line Items]  
Stock options granted, shares | shares 300,000
Stock options granted, exercise price | $ / shares $ 1.09
Stock options, term 10 years
Vesting period 1 year
Executive Management  
Subsequent Event [Line Items]  
Stock options granted, shares | shares 950,000
Stock options granted, exercise price | $ / shares $ 1.09
Stock options, term 10 years
Vesting period 3 years
Stock options granted, vesting beginning date Jun. 01, 2017