Quarterly
Annual
| Unit: USD | 2023-10-31 | 2023-07-31 | 2023-04-30 | 2023-01-31 | 2022-10-31 | 2022-07-31 | 2022-04-30 | 2022-01-31 | 2021-10-31 | 2021-07-31 | 2021-04-30 | 2021-01-31 | 2020-10-31 | 2020-07-31 | 2020-04-30 | 2020-01-31 | 2019-10-31 | 2019-07-31 | 2019-04-30 | 2019-01-31 | 2018-10-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
revenue | 427,841 | 655,928 | 476,932 | 527,535 | 618,003 | 456,149 | 477,922 | 491,890 | 283,037 | 213,739 | 433,488 | 348,091 | 391,797 | 84,450 | 119,364 | 19,577 | 82,567 | 74,913 | 193,590 | 82,470 | 162,815 |
cost of revenue | 268,920 | 356,256 | 254,648 | 398,139 | 349,272 | 304,353 | 277,436 | 388,544 | 173,694 | 186,762 | 168,844 | 161,730 | 228,772 | 116,937 | 74,939 | 126,228 | 106,126 | 117,959 | 198,794 | 82,018 | 206,283 |
gross profit | 158,921 | 299,672 | 222,284 | 129,396 | 268,731 | 151,796 | 200,486 | 103,346 | 109,343 | 26,977 | 264,644 | 186,361 | 163,025 | -32,487 | 44,425 | -106,651 | -23,559 | -43,046 | -5,204 | 452 | -43,468 |
operating expenses | |||||||||||||||||||||
research and development | 551,503 | 445,122 | 400,430 | 295,826 | 290,718 | 277,869 | 117,814 | 250,383 | 161,000 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
sales, general and administrative | |||||||||||||||||||||
total operating expenses | 1,882,432 | 1,123,860 | 1,240,162 | 1,485,611 | 1,340,250 | 1,186,042 | 886,365 | 1,697,596 | 1,647,784 | 509,219 | 579,608 | 2,368,045 | 203,976 | 193,331 | 191,917 | 509,442 | 307,015 | 406,566 | 567,957 | 516,202 | 445,152 |
operating income | -1,723,511 | -824,188 | -1,017,878 | -1,356,215 | -1,071,519 | -1,034,246 | -685,879 | -3,775,086 | -1,538,441 | -482,242 | -314,964 | -2,181,684 | -40,951 | -225,818 | -147,492 | -616,093 | -330,574 | -449,612 | -573,161 | -515,750 | -488,620 |
net income | -1,759,946 | -829,173 | -1,015,746 | -1,666,820 | -1,079,451 | -1,043,104 | -694,099 | -3,768,425 | -1,571,821 | -519,923 | -315,957 | -2,252,196 | -42,569 | -225,869 | -412,194 | -944,435 | -753,274 | -450,565 | -573,353 | -515,750 | -488,620 |
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