Annual report pursuant to Section 13 and 15(d)

Note 10 - Share-based Compensation - Restricted Stock and Restricted Stock Units Activity (Details)

v3.10.0.1
Note 10 - Share-based Compensation - Restricted Stock and Restricted Stock Units Activity (Details) - $ / shares
11 Months Ended 12 Months Ended
Nov. 30, 2015
Jun. 30, 2018
Restricted Stock Units (RSUs) [Member]    
Nonvested units (in shares)   308,330
Nonvested, weighted average grant date fair value (in dollars per share)   $ 25.92
Granted (in shares) 0 162,500
Granted, weighted average grant date fair value (in dollars per share)   $ 25.18
Vested (in shares)   (59,211)
Vested, weighted average grant date fair value (in dollars per share)   $ 23.96
Canceled (forfeited/expired) (in shares)   (81,250)
Canceled (forfeited/expired), weighted average grant date fair value (in dollars per share)   $ 24.94
Nonvested (in shares)   330,369
Nonvested, weighted average grant date fair value (in dollars per share)   $ 26.15
Canceled (forfeited/expired), weighted average grant date fair value (in dollars per share)   $ (24.94)
Restricted Stock [Member]    
Nonvested units (in shares)  
Nonvested, weighted average grant date fair value (in dollars per share)  
Granted (in shares)   16,234
Granted, weighted average grant date fair value (in dollars per share)   $ 25.62
Vested (in shares)  
Vested, weighted average grant date fair value (in dollars per share)  
Canceled (forfeited/expired) (in shares)   (16,234)
Canceled (forfeited/expired), weighted average grant date fair value (in dollars per share)   $ 25.62
Nonvested (in shares)  
Nonvested, weighted average grant date fair value (in dollars per share)  
Canceled (forfeited/expired), weighted average grant date fair value (in dollars per share)   $ (25.62)