Share Based Payments Summary of Restricted Stock Grants Outstanding and Activity (Details) - Restricted Stock	3 Months Ended
	May 31, 2016 $ / shares shares
Awards
Grants outstanding, beginning of period | shares	852,028
Granted | shares	456,367
Vested (restriction lapsed) | shares	718,867
Grants outstanding, end of period | shares	589,528
Price
Grants outstanding, beginning of period | $ / shares	$ 1.78
Granted | $ / shares	0.52
Vested (restriction lapsed) | $ / shares	1.05
Grants outstanding, end of period | $ / shares	$ 1.69