Share Based Payments Summary of Restricted Stock Grants Outstanding and Activity (Details) - Restricted Stock	6 Months Ended
	Aug. 31, 2017 $ / shares shares
Awards
Grants outstanding, beginning of period | shares	196,706
Granted | shares	346,462
Vested (restriction lapsed) | shares	163,802
Grants outstanding, end of period | shares	379,366
Price
Grants outstanding, beginning of period | $ / shares	$ 4.64
Granted | $ / shares	2.87
Vested (restriction lapsed) | $ / shares	3.65
Grants outstanding, end of period | $ / shares	$ 3.45