Quarterly
Annual
| Unit: USD | 2020-04-30 | 2019-10-31 | 2019-04-30 | 2018-10-31 | 2018-04-30 | 2017-10-31 | 2017-04-30 | 2016-10-31 | 2016-04-30 | 2015-10-31 | 2015-04-30 |
|---|---|---|---|---|---|---|---|---|---|---|---|
revenue | 11,999,440 | 11,975,630 | 12,457,970 | 13,052,150 | 12,729,370 | 19,173,830 | 13,160,000 | 21,300,000 | 19,170,000 | 20,060,000 | 20,300,000 |
cost of revenue | 8,443,090 | 9,822,010 | 9,739,910 | 9,547,360 | 8,748,380 | 8,674,400 | 8,140,000 | 8,110,000 | 7,290,000 | 7,450,000 | 7,600,000 |
gross profit | 3,556,350 | 2,153,620 | 2,718,060 | 3,504,790 | 3,980,990 | 10,499,430 | 5,020,000 | 13,190,000 | 11,880,000 | 12,610,000 | 12,700,000 |
operating expenses | |||||||||||
research and development | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
sales, general and administrative | |||||||||||
total operating expenses | 181,100 | 199,140 | 191,600 | 187,990 | 205,010 | 87,940 | -10,000 | -200,000 | -230,000 | -440,000 | -680,000 |
operating income | 3,375,250 | 1,954,480 | 2,526,460 | 3,316,800 | 3,775,980 | 10,411,490 | 5,030,000 | 13,390,000 | 12,110,000 | 13,050,000 | 13,370,000 |
net income | -153,122,420 | 12,418,150 | 83,187,920 | -6,797,350 | -23,302,500 | -20,223,110 | 36,030,000 | 11,170,000 | 11,380,000 | -121,870,000 | -18,650,000 |
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