Share Based Payments Summary of Nonvested Options and Changes (Details)	3 Months Ended
	May 31, 2016 $ / shares shares
Options
Nonvested, beginning of period | shares	3,323,253
Granted | shares	582,500
Vested | shares	449,999
Nonvested, end of period | shares	3,455,754
Weighted Average Grant Date Fair Value
Nonvested, beginning of period | $ / shares	$ 0.93
Granted | $ / shares	0.26
Vested | $ / shares	1.25
Nonvested, end of period | $ / shares	$ 0.77