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Stockholders' Equity (Tables) | 12 Months Ended
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Feb. 29, 2020
Equity [Abstract] |
Summary of stock options |
|  |  |  |  |  |  |  | Weighted Average |
|  | Stock Options |  |  | Exercise Price $ |  |  | Fair Value |
|  | Outstanding |  |  | Exercisable |  |  | Outstanding |  |  | Exercisable |  |  | Vested |
Balance - February 28, 2018 |  |  | 912,100 |  |  |  | 425,400 |  |  | $ | 0.96 |  |  | $ | 0.92 |  |  | $ | 0.35 |
Granted |  |  | 55,000 |  |  |  |  |  |  |  | 2.66 |  |  |  |  |  |  |  |  |
Exercised |  |  | (371,100 | ) |  |  |  |  |  |  | (0.96 | ) |  |  |  |  |  |  |  |
Cancelled |  |  | (8,000 | ) |  |  |  |  |  |  | (1.12 | ) |  |  |  |  |  |  |  |
Balance - February 28, 2019 |  |  | 588,000 |  |  |  | 171,000 |  |  | $ | 1.10 |  |  | $ | 0.85 |  |  | $ | 0.34 |
Granted |  |  | 237,500 |  |  |  |  |  |  | $ | 2.55 |  |  |  |  |  |  |  |  |
Exercised |  |  | (231,333 | ) |  |  |  |  |  |  | (0.88 | ) |  |  |  |  |  |  |  |
Cancelled |  |  | (2,500 | ) |  |  |  |  |  |  | (1.17 | ) |  |  |  |  |  |  |  |
Balance - February 29, 2020 |  |  | 591,667 |  |  |  | 339,250 |  |  | $ | 1.77 |  |  | $ | 2.03 |  |  | $ | 0.35 |
Stock option grants |
|  | Shares |  |  | Weighted Average Exercise Price |  |  | Weighted Average Fair Value |
Year ended February 29, 2020: |  |  |  |  |  |  |  |  |  |  |  |
Exercise price exceeds market price |  |  | — |  |  |  | — |  |  |  | — |
Exercise price equals market price |  |  | 237,500 |  |  | $ | 2.55 |  |  | $ | .34 |
Exercise price is less than market price |  |  | — |  |  |  | — |  |  |  | — |
Stock options outstanding and exercisable |
|  |  |  |  | Weighted Average |  |  |  |
|  | Number |  |  | Remaining Life |  |  | Exercise |  |  | Number |
|  | Outstanding |  |  | in Years |  |  | Price |  |  | Exercisable |
Range of exercise prices: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
$0.61 |  |  | 45,000 |  |  |  | 2.69 |  |  | $ | 0.61 |  |  |  | 45,000 |
$0.91 to $0.97 |  |  | 109,834 |  |  |  | 6.26 |  |  | $ | 0.91 |  |  |  | 2,500 |
$1.05 |  |  | 22,500 |  |  |  | 3.97 |  |  | $ | 1.05 |  |  |  | 22,500 |
$1.06 |  |  | 73,333 |  |  |  | 7.21 |  |  | $ | 1.06 |  |  |  | — |
$1.15 to $1.67 |  |  | 48,500 |  |  |  | 6.15 |  |  | $ | 1.30 |  |  |  | 44,500 |
$2.10 to $2.65 |  |  | 272,500 |  |  |  | 9.33 |  |  | $ | 2.54 |  |  |  | 215,750 |
$3.00 |  |  | 20,000 |  |  |  | 8.71 |  |  | $ | 3.00 |  |  |  | 9,000 |
Total Options: |  |  | 591,667 |  |  |  |  |  |  |  |  |  |  |  | 339,250 |

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