Share Based Payments Summary of Nonvested Options and Changes (Details)	9 Months Ended
	Nov. 30, 2015 $ / shares shares
Options
Nonvested, beginning of period | shares	3,167,083
Granted | shares	1,603,719
Vested | shares	2,064,215
Forfeited | shares	105,000
Nonvested, end of period | shares	2,601,587
Weighted Average Grant Date Fair Value
Nonvested, beginning of period | $ / shares	$ 1.08
Granted | $ / shares	1.01
Vested | $ / shares	0.90
Forfeited | $ / shares	1.21
Nonvested, end of period | $ / shares	$ 1.19