Share Based Payments Summary of Nonvested Options and Changes (Details)	3 Months Ended
	May 31, 2018 $ / shares shares
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Share Based Compensation Share Based Payment Awards Option Forfeited In Period Weighted Average Grant Date Fair Value	$ 0.00
Options
Nonvested, beginning of period | shares	691,114
Granted | shares	84,000
Vested | shares	213,746
Nonvested, end of period | shares	561,368
Weighted Average Grant Date Fair Value
Nonvested, beginning of period	$ 2.10
Granted	2.03
Vested	3.91
Nonvested, end of period	$ 1.40