Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Tables)

v3.22.2.2
Stockholders' Equity (Tables)
3 Months Ended
Jul. 31, 2022
Stockholders' Equity Note [Abstract]  
Schedule of Restricted Stock Unit Activity
A summary of the Company’s RSU activity, granted under the 2012 and 2018 Equity Incentive Plans, during the three months ended July 31, 2022 is presented below:
Restricted Stock Units Number of Shares Weighted Average Grant Date Fair Value
Unvested balance outstanding, April 30, 2022 929,928  $ 6.12 
Granted —  — 
Forfeits (172,828) 7.65 
Vested (14,345) 0.97 
Expired —  — 
Unvested balance outstanding, July 31, 2022 742,755  $ 5.86 
Summary of Warrant Activity A summary of the Company’s warrant activity during the three months ended July 31, 2022 is presented below:
Warrants Number of
Shares
Weighted
Average
Exercise
Price
Weighted
Average
Remaining
Contractual
Term
Aggregate
Intrinsic
Value
Balance Outstanding, April 30, 2022 649,174  $ 4.70  1.96 $ — 
Granted —  $ —  —  — 
Exercised —  $ —  —  — 
Surrendered —  $ —  —  — 
Expired (224,174) $ 6.87  —  — 
Balance Outstanding, July 31, 2022 425,000  $ 4.70  1.96 $ — 
Exercisable, July 31, 2022 400,000  $ 4.89  1.80 $ — 
Share-based Payment Arrangement, Option, Exercise Price Range
OUTSTANDING WARRANTS EXERCISABLE WARRANTS
Exercise
Price
Weighted
Average
Exercise
Price
Outstanding
Number of
Warrants
Weighted
Average
Exercise
Price
Weighted
Average
Remaining Life
In Years
Exercisable
Number of
Warrants
$ 1.00  1.00  200,000  $ 1.00  4.74 200,000 
$ 4.89  $ 4.89  50,000  $ 4.89  1.70 50,000 
$ 5.85  $ 5.85  50,000  $ 5.85  4.09 50,000 
$ 6.00  $ 6.00  100,000  $ 6.00  1.60 100,000 
$ 6.99  $ 6.99  25,000  $ 0.00  0.00 — 
  425,000      400,000 
OUTSTANDING OPTIONS EXERCISABLE OPTIONS
Exercise
Price
Weighted
Average
Exercise
Price
Outstanding
Number of
Options
Weighted
Average
Exercise
Price
Weighted
Average
Remaining Life
In Years
Exercisable
Number of
Options
$3.24 to $4.38
$ 3.82  36,331  $ 4.00  2.00 36,331 
$4.50 to $5.20
$ 4.94  135,510  $ 4.99  1.52 134,877 
$5.95 to $6.28
$ 5.95  28,000  $ 5.95  0.06 28,000 
$7.17 to $7.55
$ 7.45  472,592  $ 7.46  1.07 464,592 
$8.57 to $9.07
$ 8.98  122,749  $ 8.96  0.44 122,749 
795,182  786,549 
Summary of Stock Option Activity A summary of the Company’s stock option activity for employees and directors during the three months ended July 31, 2022, is presented below:
Options Number of
Shares
Weighted
Average
Exercise
Price
Weighted
Average
Remaining
Contractual
Term
Aggregate
Intrinsic
Value
Balance Outstanding, April 30, 2022
860,182  $ 7.03  1.25 $ — 
Granted —  —  —  — 
Exercised —  —  —  — 
Forfeited (36,000) 8.98  —  — 
Expired (29,000) 4.19  —  — 
Balance Outstanding, July 31, 2022
795,182  $ 7.05  1.07 $ — 
Exercisable, July 31, 2022
786,549  $ 7.05  1.06 $ — 
Schedule of Share-Based Compensation
A summary of the Company’s stock-based compensation expense, which is included in "general and administrative" expense in the consolidated statement of operations is presented below:

Three Months Ended July 31,
2022 2021
RSUs $ 41,053  $ 446,777 
Restricted Stock —  10,527 
Stock options 5,277  85,408 
Total stock-based compensation expense $ 46,330  $ 542,712