Share Based Payments - Summary of Stock Options Outstanding and Activity (Details) $ / shares in Units, $ in Thousands	12 Months Ended
	Feb. 28, 2019 USD ($) $ / shares shares
Options
Outstanding, beginning of period | shares	2,691,329
Granted | shares	259,000
Exercised | shares	157,918	[1]
Forfeited | shares	5,500
Expired | shares	46,995
Outstanding, end of period | shares	2,739,916
Exercisable, end of period | shares	2,131,741
Price
Outstanding, beginning of period | $ / shares	$ 4.66
Granted | $ / shares	4.64
Exercised | $ / shares	2.32	[1]
Forfeited | $ / shares	4.16
Expired | $ / shares	8.92
Outstanding, end of period | $ / shares	4.72
Exercisable, end of period | $ / shares	$ 5.08
Aggregate intrinsic value, outstanding, end of period | $	$ 1,770
Aggregate intrinsic value, exercisable | $	$ 1,334
Weighted average remaining contractual term, outstanding	6 years
Weighted average remaining contractual term, exercisable, end of period	5 years 2 months 12 days

[1] The Company did not record an income tax benefit related to option exercises in the years ended February 2017, 2018 and 2019. Cash received from option exercises during the years ended February 2017, 2018 and 2019 was $0.1 million, $0.1 million and $0.4 million, respectively.