Stockholders' Equity (Tables)
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6 Months Ended |
Oct. 31, 2019 |
| Summary of Warrant Activity |
A summary of the Company鈥檚 warrant activity during the six months ended October听31, 2019 is presented below:
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| Warrants |
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Number of Shares |
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Weighted Average Exercise Price |
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Weighted Average Remaining Contractual Term |
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Aggregate Intrinsic Value |
| Balance Outstanding, April 30, 2019 |
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731,152听 |
听 |
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$ |
5.28听 |
听 |
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3.29 |
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$ |
413,296听 |
听 |
| Granted |
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鈥斕� |
听 |
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鈥斕� |
听 |
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鈥斕� |
听 |
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鈥斕� |
听 |
| Exercised |
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(164,929) |
听 |
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$ |
2.05听 |
听 |
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鈥斕� |
听 |
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鈥斕� |
听 |
| Surrendered |
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鈥斕� |
听 |
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鈥斕� |
听 |
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鈥斕� |
听 |
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鈥斕� |
听 |
| Expired |
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鈥斕� |
听 |
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鈥斕� |
听 |
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鈥斕� |
听 |
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鈥斕� |
听 |
| Balance Outstanding, October 31, 2019 |
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566,223听 |
听 |
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$ |
6.22听 |
听 |
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3.66 |
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$ |
154,820听 |
听 |
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| Exercisable, October 31, 2019 |
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516,223听 |
听 |
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$ |
6.35听 |
听 |
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3.59 |
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$ |
86,820听 |
听 |
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| Stock Incentive Plan and Stock Option Grants to Employees and Directors |
听
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| Share-based Payment Arrangement, Option, Exercise Price Range |
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| ALL OPTIONS |
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EXERCISABLE OPTIONS |
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Exercise Price |
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Weighted Average Exercise Price |
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Outstanding No. of Options |
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Weighted Average Exercise Price |
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Weighted Average Remaining Life In Years |
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Exercisable No. of Options |
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$1.57 to $2.10 |
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$ |
1.99听 |
听 |
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600,115听 |
听 |
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$ |
1.99听 |
听 |
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1.18 |
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600,115听 |
听 |
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$2.28 to $2.76 |
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$ |
2.31听 |
听 |
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392,780听 |
听 |
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$ |
2.29听 |
听 |
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0.87 |
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400,486听 |
听 |
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$3.24 to $4.38 |
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$ |
3.90听 |
听 |
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358,388听 |
听 |
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$ |
3.93听 |
听 |
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2.00 |
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235,904听 |
听 |
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$4.50 to $5.20 |
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$ |
4.93听 |
听 |
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711,459听 |
听 |
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$ |
4.90听 |
听 |
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2.53 |
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336,611听 |
听 |
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$5.95 to $6.28 |
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$ |
6.07听 |
听 |
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80,417听 |
听 |
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$ |
6.13听 |
听 |
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2.68 |
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36,806听 |
听 |
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$7.17 to $7.55 |
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$ |
7.39听 |
听 |
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660,972听 |
听 |
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$ |
7.39听 |
听 |
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3.73 |
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220,324听 |
听 |
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$8.57 to $9.07 |
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$ |
8.98听 |
听 |
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217,000听 |
听 |
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$ |
8.98听 |
听 |
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3.44 |
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72,333听 |
听 |
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| Options only |
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3,021,131听 |
听 |
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1,902,579听 |
听 |
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| Summary of Valuation Assumptions Used |
The following table summarizes the assumptions the Company utilized to record compensation expense for stock options granted to employees during the period ended.
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October 31, 2019 |
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April 30, 2019 |
| Expected life (years) |
3.5 |
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3.5 |
| Expected volatility |
46.0听 |
% |
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50.1听 |
% |
| Risk-free interest rate |
1.67听 |
% |
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2.63听 |
% |
| Dividend yield |
0.00听 |
% |
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0.00听 |
% |
| Expected forfeiture rate |
n/a |
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n/a |
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| Summary of Stock Option Activity |
A summary of the Company鈥檚 stock option activity for employees and directors during the six months ended October听31, 2019, is presented below:
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| Options |
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Number of Shares |
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Weighted Average Exercise Price |
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Weighted Average Remaining Contractual Term |
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Aggregate Intrinsic Value |
| Balance Outstanding, April 30, 2019 |
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3,408,154听 |
听 |
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$ |
4.44听 |
听 |
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2.90 |
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$ |
6,880,644听 |
听 |
| Granted |
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89,000听 |
听 |
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4.03听 |
听 |
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鈥斕� |
听 |
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鈥斕� |
听 |
| Exercised |
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(453,660) |
听 |
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2.20听 |
听 |
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鈥斕� |
听 |
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鈥斕� |
听 |
| Forfeited |
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(22,363) |
听 |
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5.92听 |
听 |
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鈥斕� |
听 |
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鈥斕� |
听 |
| Expired |
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鈥斕� |
听 |
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鈥斕� |
听 |
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鈥斕� |
听 |
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鈥斕� |
听 |
Balance Outstanding, October听31, 2019 |
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3,021,131听 |
听 |
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$ |
4.57听 |
听 |
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2.90 |
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$ |
6,880,644听 |
听 |
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Exercisable, October听31, 2019 |
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1,902,579听 |
听 |
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$ |
3.78听 |
听 |
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1.86 |
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$ |
7,545,471听 |
听 |
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| Warrant |
听
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| Share-based Payment Arrangement, Option, Exercise Price Range |
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| ALL WARRANTS |
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EXERCISABLE WARRANTS |
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Exercise Price |
|
Weighted Average Exercise Price |
|
Outstanding No. of Warrants |
|
Weighted Average Exercise Price |
|
Weighted Average Remaining Life In Years |
|
Exercisable No. of Warrants |
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| $ |
4.89听 |
听 |
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$ |
4.89听 |
听 |
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50,000听 |
听 |
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$ |
4.89听 |
听 |
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4.70 |
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鈥斕� |
听 |
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| $ |
5.85听 |
听 |
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$ |
5.85听 |
听 |
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92,049听 |
听 |
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$ |
5.85听 |
听 |
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4.27 |
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92,049听 |
听 |
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| $ |
6.00听 |
听 |
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$ |
6.00听 |
听 |
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200,000听 |
听 |
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$ |
6.00听 |
听 |
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4.60 |
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200,000听 |
听 |
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| $ |
6.87听 |
听 |
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$ |
6.87听 |
听 |
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224,174听 |
听 |
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$ |
6.87听 |
听 |
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2.99 |
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224,174听 |
听 |
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| 听听 |
听 |
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566,223听 |
听 |
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听听 |
听 |
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听听 |
听 |
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516,223听 |
听 |
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