Share Based Payments Summary of Stock Options Outstanding and Activity (Details) $ / shares in Units, $ in Thousands	6 Months Ended
	Aug. 31, 2017 USD ($) $ / shares shares
Options
Outstanding, beginning of period | shares	2,559,643
Granted | shares	331,250
Exercised | shares	1,512,093
Forfeited | shares	8,331
Expired | shares	74,815
Outstanding, end of period | shares	2,780,497
Price
Outstanding, beginning of period	$ 5.17
Granted	2.77
Expired or exchanged	14.15
Outstanding, end of period	4.68
Exercisable, end of period	$ 5.47
Outstanding	6 years 11 months
Exercised	$ 2.25	[1]
Forfeited	$ 2.29
Exercisable, end of period	5 years 1 month
Outstanding, end of period | $	$ 277
Exercisable, end of period | $	$ 215

[1] Cash received from option exercises for the six months ended August 31, 2016 and 2017 was less than $0.1 million in both periods. The Company did not record an income tax benefit relating to the options exercised during the six months ended August 31, 2016 or 2017.