Annual report pursuant to Section 13 and 15(d)

Subsequent Events (Textual) (Details)

v3.6.0.2
Subsequent Events (Textual) (Details) - USD ($)
12 Months Ended
Feb. 28, 2017
Feb. 08, 2017
May 05, 2016
Feb. 19, 2016
Dec. 31, 2016
Dec. 09, 2016
2015 Stock Awards Plan [Member] | Stock Awards [Member]            
Subsequent Event [Line Items]            
Granted (shares)     42,348 50,062    
Granted, weighted average grant date fair value (dollars per share)     $ 8.05 $ 7.51    
Annual vesting rate (percent)         20.00%  
Period after grant date, awards vesting begins (years)         1 year  
2015 Stock Awards Plan [Member] | Stock Awards [Member] | Subsequent Event [Member]            
Subsequent Event [Line Items]            
Granted (shares)   44,686        
Granted, weighted average grant date fair value (dollars per share)   $ 12.30        
Annual vesting rate (percent)   20.00%        
Period after grant date, awards vesting begins (years)   1 year        
Marcegalia USA, Inc. [Member]            
Subsequent Event [Line Items]            
Payments for Other Deposits           $ 3,000,000
Marcegalia USA, Inc. [Member] | Subsequent Event [Member]            
Subsequent Event [Line Items]            
Purchase price $ 14,954,000