CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDER'S EQUITY (UNAUDITED) - USD ($)
|
Common Stock [Member] |
Additional Paid-in Capital [Member] |
Retained Earnings [Member] |
AOCI Attributable to Parent [Member] |
Total |
| Beginning balance, value at Apr. 30, 2020 |
$ 109
|
$ 108,968,817
|
$ (103,858,259)
|
$ (21,709)
|
$ 5,088,958
|
| Beginning balance, shares at Apr. 30, 2020 |
1,092,425
|
|
|
|
|
| Stock issued for compensation |
|
67,320
|
|
|
67,320
|
| Stock issued for services |
|
40,550
|
|
|
40,550
|
| Stock issued for services, shares |
1,667
|
|
|
|
|
| Stock issued for cash, net of issuance costs of $278,150 |
$ 16
|
1,857,381
|
|
|
1,857,397
|
| Stock issued for cash, net of issuance costs, shares |
156,004
|
|
|
|
|
| Stock-based compensation options |
|
72,317
|
|
|
72,317
|
| Foreign currency translation adjustment |
|
|
|
2,677
|
2,677
|
| Net loss |
|
|
(883,944)
|
|
(883,944)
|
| Ending balance, value at Jul. 31, 2020 |
$ 125
|
111,006,385
|
(104,742,203)
|
(19,032)
|
6,245,275
|
| Ending balance, shares at Jul. 31, 2020 |
1,250,096
|
|
|
|
|
| Beginning balance, value at Apr. 30, 2020 |
$ 109
|
108,968,817
|
(103,858,259)
|
(21,709)
|
5,088,958
|
| Beginning balance, shares at Apr. 30, 2020 |
1,092,425
|
|
|
|
|
| Net loss |
|
|
|
|
(2,591,232)
|
| Ending balance, value at Jan. 31, 2021 |
$ 156
|
114,083,323
|
(106,449,491)
|
(21,015)
|
7,612,973
|
| Ending balance, shares at Jan. 31, 2021 |
1,560,940
|
|
|
|
|
| Beginning balance, value at Jul. 31, 2020 |
$ 125
|
111,006,385
|
(104,742,203)
|
(19,032)
|
6,245,275
|
| Beginning balance, shares at Jul. 31, 2020 |
1,250,096
|
|
|
|
|
| Stock issued for compensation |
|
67,320
|
|
|
67,320
|
| Stock issued for services |
|
19,159
|
|
|
19,159
|
| Stock issued for services, shares |
667
|
|
|
|
|
| Stock issued for cash, net of issuance costs of $278,150 |
$ 31
|
2,841,819
|
|
|
2,841,850
|
| Stock issued for cash, net of issuance costs, shares |
305,777
|
|
|
|
|
| Stock-based compensation options |
|
56,059
|
|
|
56,059
|
| Foreign currency translation adjustment |
|
|
|
(2,852)
|
(2,852)
|
| Net loss |
|
|
(950,192)
|
|
(950,192)
|
| Ending balance, value at Oct. 31, 2020 |
$ 156
|
113,990,742
|
(105,692,395)
|
(21,884)
|
8,276,619
|
| Ending balance, shares at Oct. 31, 2020 |
1,556,540
|
|
|
|
|
| Stock issued for compensation |
|
48,566
|
|
|
48,566
|
| Stock issued for compensation, shares |
4,400
|
|
|
|
|
| Stock issued for services |
|
5,409
|
|
|
5,409
|
| Stock-based compensation options |
|
38,606
|
|
|
38,606
|
| Foreign currency translation adjustment |
|
|
|
869
|
869
|
| Net loss |
|
|
(757,096)
|
|
(757,096)
|
| Ending balance, value at Jan. 31, 2021 |
$ 156
|
114,083,323
|
(106,449,491)
|
(21,015)
|
7,612,973
|
| Ending balance, shares at Jan. 31, 2021 |
1,560,940
|
|
|
|
|
| Beginning balance, value at Apr. 30, 2021 |
$ 159
|
114,109,169
|
(107,409,495)
|
(20,382)
|
6,679,451
|
| Beginning balance, shares at Apr. 30, 2021 |
1,590,084
|
|
|
|
|
| Stock issued for compensation |
|
11,055
|
|
|
11,055
|
| Stock issued for services |
|
24,765
|
|
|
24,765
|
| Stock issued for services, shares |
1,336
|
|
|
|
|
| Stock issued fractions shares -reverse stock split 1 for 1,500 |
$ 2
|
(2)
|
|
|
|
| Stock issued fractions shares -reverse stock split 1 for 1,500, shares |
20,251
|
|
|
|
|
| Stock-based compensation options |
|
24,144
|
|
|
24,144
|
| Foreign currency translation adjustment |
|
|
|
(1,615)
|
(1,615)
|
| Net loss |
|
|
(1,025,418)
|
|
(1,025,418)
|
| Ending balance, value at Jul. 31, 2021 |
$ 161
|
114,169,131
|
(108,434,913)
|
(21,997)
|
5,712,382
|
| Ending balance, shares at Jul. 31, 2021 |
1,611,671
|
|
|
|
|
| Beginning balance, value at Apr. 30, 2021 |
$ 159
|
114,109,169
|
(107,409,495)
|
(20,382)
|
6,679,451
|
| Beginning balance, shares at Apr. 30, 2021 |
1,590,084
|
|
|
|
|
| Net loss |
|
|
|
|
(2,816,454)
|
| Ending balance, value at Jan. 31, 2022 |
$ 2,072
|
201,573,368
|
(110,225,949)
|
(19,301)
|
91,330,190
|
| Ending balance, shares at Jan. 31, 2022 |
20,720,204
|
|
|
|
|
| Beginning balance, value at Jul. 31, 2021 |
$ 161
|
114,169,131
|
(108,434,913)
|
(21,997)
|
5,712,382
|
| Beginning balance, shares at Jul. 31, 2021 |
1,611,671
|
|
|
|
|
| Stock issued for compensation |
|
11,055
|
|
|
11,055
|
| Stock issued for services |
|
4,566
|
|
|
4,566
|
| Stock issued for services, shares |
668
|
|
|
|
|
| Stock issued for cash, net of issuance costs of $278,150 |
$ 1,911
|
82,611,089
|
|
|
82,613,000
|
| Stock issued for cash, net of issuance costs, shares |
19,101,812
|
|
|
|
|
| Stock issued fractions shares -reverse stock split 1 for 1,500 |
|
|
|
|
|
| Stock issued fractions shares -reverse stock split 1 for 1,500, shares |
1,653
|
|
|
|
|
| Stock-based compensation options |
|
10,384
|
|
|
10,384
|
| Issuance of pre-funded warrants |
|
4,749,050
|
|
|
4,749,050
|
| Foreign currency translation adjustment |
|
|
|
2,906
|
2,906
|
| Net loss |
|
|
(979,746)
|
|
(979,746)
|
| Ending balance, value at Oct. 31, 2021 |
$ 2,072
|
201,555,275
|
(109,414,659)
|
(19,091)
|
92,123,597
|
| Ending balance, shares at Oct. 31, 2021 |
20,715,804
|
|
|
|
|
| Stock issued for compensation |
|
8,286
|
|
|
8,286
|
| Stock issued for compensation, shares |
4,400
|
|
|
|
|
| Stock issued for services |
|
2,442
|
|
|
2,442
|
| Stock-based compensation options |
|
7,365
|
|
|
7,365
|
| Foreign currency translation adjustment |
|
|
|
(210)
|
(210)
|
| Net loss |
|
|
(811,290)
|
|
(811,290)
|
| Ending balance, value at Jan. 31, 2022 |
$ 2,072
|
$ 201,573,368
|
$ (110,225,949)
|
$ (19,301)
|
$ 91,330,190
|
| Ending balance, shares at Jan. 31, 2022 |
20,720,204
|
|
|
|
|