Share Based Payments Summary of Restricted Stock Grants Outstanding and Activity (Details) - Restricted Stock	6 Months Ended
	Aug. 31, 2015 $ / shares shares
Awards
Grants outstanding, beginning of year | shares	677,634
Granted | shares	1,437,546
Vested (restriction lapsed) | shares	1,257,851
Grants outstanding, end of year | shares	857,329
Price
Grants outstanding, beginning of year	$ 2.26
Granted	1.36
Vested (restriction lapsed)	1.32
Grants outstanding, end of year	$ 2.13