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Share-Based Payments (Tables)

12 Months Ended

Feb. 28, 2019

Share-based Payment Arrangement [Abstract]

Stock option activity

								2019								2018
				Number of stock options				Weighted average exercise price				Number of stock options				Weighted average exercise price
	Outstanding, beginning of period				2,374,581			$	7.99				1,010,000			$	0.96
	Granted				39,902				9.67				2,310,000				9.23
	Exercised				(20,000	)			0.80				(245,034	)			0.80
	Forfeited				(369,583	)			11.49				(620,385	)			4.97
	Expired				(62,500	)			4.80				(80,000	)			0.80
	Outstanding, end of period				1,962,400			$	7.53				2,374,581			$	7.99
	Exercisable, end of period				1,126,664			$	7.72				841,249			$	6.32

Stock options outstanding

								2019								2018
Exercise price				Number of stock options outstanding				Weighted average remaining life				Number of stock options outstanding				Weighted average remaining life
$	0.80				582,081				6.76				602,081				7.75
$	3.00				—				—				12,500				0.25
$	5.25				380,000				8.50				530,000				9.49
$	8.75				26,693				10.0				—				—
$	11.52				13,209				9.36				—				—
$	12.00				700,000				8.54				700,000				9.54
$	13.49				193,750				0.17				250,000				9.63
$	13.89				66,667				0.01				280,000				9.69
	Outstanding, end of period				1,962,400				6.91				2,374,581				9.05
	Exercisable, end of period				1,126,664				5.99				841,249				7.67

Valuation assumptions

		2019				2018				2017
Exercise price			$      8.75 to 11.52				$      5.25 to 13.89			$	3.00
Risk-free interest rate			2.70% to 2.82%				1.46 to 2.15%				0.91	%
Expected dividend yield			0	%			0	%			0	%
Expected volatility			78	%			80% to 94%				122	%
Expected life			6.5 to 7 years				3 to 6 years				2 years

RSU activity

								2019								2018
				Number of units				Weighted average fair value price				Number of units				Weighted average fair value price
	Outstanding, beginning of period				34,102			$	13.00				—			$	—
	Granted				406,188				8.80				34,102				13.00
	Vested				(35,797	)			13.06				—				—
	Forfeited				(1,625	)			12.31				—				—
	Outstanding, end of period				402,868			$	8.77				34,102			$	13.00

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Tabular disclosure of number, weighted-average exercise price or conversion ratio, aggregate intrinsic value, and weighted-average remaining contractual term for outstanding options that are fully vested and expected to vest. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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-Section 50
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Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year.

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Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

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Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

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