Share Based Payments Summary of Nonvested Options and Changes (Details)	9 Months Ended
	Nov. 30, 2017 $ / 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	$ 1.60
Options
Nonvested, beginning of period | shares	1,090,375
Granted | shares	341,250
Vested | shares	146,765
Nonvested, end of period | shares	1,260,279
Weighted Average Grant Date Fair Value
Nonvested, beginning of period	$ 2.26
Granted	1.25
Vested	4.22
Nonvested, end of period	$ 1.77