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Stockholders' Equity (Tables) | 12 Months Ended
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Feb. 28, 2019
Equity [Abstract] |
Summary of stock options |
|  |  |  |  |  |  |  |  | Weighted Average |
|  |  | Stock Options |  |  | Exercise Price $ |  |  | Fair Value |
|  |  | Outstanding |  |  | Exercisable |  |  | Outstanding |  |  | Exercisable |  |  | Vested |
Balance - February 29, 2017 |  |  | 839,600 |  |  | 395,405 |  |  | $ | 0.91 |  |  | $ | 0.89 |  |  | $ | 0.32 |
Granted |  |  | 130,000 |  |  |  |  |  |  | 1.12 |  |  |  |  |  |  |  |  |
Exercised |  |  | (57,500 | ) |  |  |  |  |  | (0.84 | ) |  |  |  |  |  |  |  |
Cancelled |  |  | — |  |  |  |  |  |  | — |  |  |  |  |  |  |  |  |
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 |
Stock option grants |
|  |  | Shares |  |  | Weighted Average Exercise Price |  |  | Weighted Average Fair Value |
Year ended February 28, 2019: |  |  |  |  |  |  |  |  |  |  |  |  |
Exercise price exceeds market price |  |  |  | — |  |  |  | — |  |  |  | — |
Exercise price equals market price |  |  |  | 55,000 |  |  | $ | 2.66 |  |  | $ | .90 |
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 |  |  | 95,000 |  |  | 3.69 |  |  | $ | 0.61 |  |  | 95,000 |
$0.91 to $0.97 |  |  | 243,500 |  |  | 7.34 |  |  | $ | 0.91 |  |  | 2,500 |
$1.05 |  |  | 26,000 |  |  | 4.98 |  |  | $ | 1.05 |  |  | 26,000 |
$1.06 |  |  | 110,000 |  |  | 8.22 |  |  | $ | 1.06 |  |  | — |
$1.07 to $1.67 |  |  | 58,500 |  |  | 7.08 |  |  | $ | 1.27 |  |  | 47,500 |
$2.47 to $2.55 |  |  | 35,000 |  |  | 9.80 |  |  | $ | 2.50 |  |  | — |
$3.00 |  |  | 20,000 |  |  | 9.71 |  |  | $ | 3.00 |  |  | — |
Total Options: |  |  | 588,000 |  |  |  |  |  |  |  |  |  | 171,000 |

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