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Share-Based Compensation (Details 1) - USD ($)
3 Months Ended 9 Months Ended
Nov. 30, 2019
Jun. 02, 2018
Nov. 30, 2019
Award transactions on stock options      
Outstanding, Beginning     100,341
Outstanding shares awards exercised   (19,000)  
Outstanding, Ending 100,341   100,341
Award transactions on stock options, Weighted Average Exercise Price [Roll Forward]      
Weighted average exercise price, Beginning     $ 8.34
Weighted average exercise price, Awards exercised     0
Weighted average exercise price, Ending $ 8.34   $ 8.34
Weighted average remaining contractual life, Outstanding 1 year 9 months 18 days    
Aggregate intrinsic value, Outstanding $ 3,000,196   $ 3,000,196
Deferred Compensation, Share-based Payments [Member]      
Award transactions on stock options      
Outstanding shares awards exercised     0