Share Based Payments Summary of Restricted Stock Grants Outstanding and Activity (Detail) - Restricted Stock	12 Months Ended
	Feb. 29, 2016 $ / shares shares
Awards
Grants outstanding, beginning of year (in shares) | shares	677,634
Granted (in shares) | shares	3,138,673
Vested (restriction lapsed) (in shares) | shares	2,949,279
Forfeited (in shares) | shares	15,000
Grants outstanding, end of year (in shares) | shares	852,028
Price
Grants outstanding, beginning of year (in dollars per share) | $ / shares	$ 2.26
Granted (in dollars per share) | $ / shares	1.09
Vested (restriction lapsed) (in dollars per share) | $ / shares	1.16
Forfeited (in dollars per share) | $ / shares	1.82
Grants outstanding, end of year (in dollars per share) | $ / shares	$ 1.78