XML 78 R60.htm IDEA: XBRL DOCUMENT v3.3.1.900
Option Granted by Company (Detail) - $ / shares
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of options granted 851,869 60,000 60,000
Exercise price $ 7.53 $ 8.05 $ 7.50
2012 Grant      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of options granted [1] 159,000    
Vesting period [1] vested in 2014    
Exercise price [1] $ 5.63    
Exercisable period, start date [1] Jun. 01, 2014    
Exercisable period, end date [1] Apr. 24, 2017    
Weighted average remaining contractual life in months [1] 15 months 24 days    
2013 Grant      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of options granted 60,000    
Vesting period 100% vested at date of grant    
Exercise price $ 7.50    
Exercisable period, start date May 31, 2013    
Exercisable period, end date May 31, 2016    
Weighted average remaining contractual life in months 5 months    
2014 Grant      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of options granted 60,000    
Vesting period 100% vested at date of grant    
Exercise price $ 8.05    
Exercisable period, start date Jun. 06, 2014    
Exercisable period, end date Jun. 05, 2017    
Weighted average remaining contractual life in months 17 months 6 days    
First 2015 Grant      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of options granted 50,000    
Vesting period 100% vested at date of grant    
Exercise price $ 3.97    
Exercisable period, start date Apr. 14, 2015    
Exercisable period, end date Apr. 13, 2018    
Weighted average remaining contractual life in months 27 months 12 days    
Second 2015 Grant      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of options granted 75,000    
Vesting period 100% vested at date of grant    
Exercise price $ 5.33    
Exercisable period, start date Jun. 05, 2015    
Exercisable period, end date Jun. 04, 2018    
Weighted average remaining contractual life in months 29 months 3 days    
Third 2015 Grant      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of options granted 631,869    
Vesting period 100% vested at date of grant    
Exercise price $ 8.00    
Exercisable period, start date Oct. 30, 2015    
Exercisable period, end date Oct. 29, 2020    
Weighted average remaining contractual life in months 58 months    
Fourth 2015 Grant      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of options granted 30,000    
Vesting period 100% vested at date of grant    
Exercise price $ 8.00    
Exercisable period, start date Nov. 02, 2015    
Exercisable period, end date Oct. 29, 2020    
Weighted average remaining contractual life in months 58 months    
Fifth 2015 Grant      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of options granted 15,000    
Vesting period 100% vested at date of grant    
Exercise price $ 8.00    
Exercisable period, start date Dec. 01, 2015    
Exercisable period, end date Oct. 29, 2020    
Weighted average remaining contractual life in months 58 months    
Sixth 2015 Grant      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of options granted 50,000    
Vesting period 100% vested at date of grant    
Exercise price $ 8.00    
Exercisable period, start date Dec. 17, 2015    
Exercisable period, end date Oct. 29, 2020    
Weighted average remaining contractual life in months 58 months    
[1] Exercisable period modified in 2015