| Apr 30,
2017 | Apr 30,
2018 | Apr 30,
2019 | Apr 30,
2020 | Apr 30,
2021 | Apr 30,
2022 | Apr 30,
2023 |
|---|
| Profit (loss) before income taxes | 156 | 303 | 409 | 752 | 847 | 756 | 955 |
|---|
| Depreciation | 6 | 29 | 50 | 64 | 123 | 102 | 150 |
|---|
| Amortization of long-term prepaid expenses | 3 | 4 | 2 | 2 | 0 | 0 | 0 |
|---|
| Amortization of goodwill | - | - | - | - | - | - | 4 |
|---|
| Increase (decrease) in allowance for doubtful accounts | - | 2 | -2 | 0 | -0 | 11 | -11 |
|---|
| Interest and dividend income | -0 | -0 | -0 | -0 | -0 | -0 | -0 |
|---|
| Loss (gain) on extinguishment of tie-in shares | - | - | - | - | - | - | -58 |
|---|
| Decrease (increase) in trade receivables | -11 | 3 | -22 | 21 | 106 | -111 | -5 |
|---|
| Decrease (increase) in inventories | -19 | -2 | -40 | -113 | 81 | -188 | -88 |
|---|
| Increase (decrease) in trade payables | 19 | 3 | 37 | 9 | -19 | 38 | 9 |
|---|
| Increase (decrease) in accounts payable - other | 24 | -2 | 17 | 60 | -91 | 159 | -42 |
|---|
| Increase (decrease) in accrued consumption taxes | - | - | - | - | - | - | 121 |
|---|
| Other, net | 12 | 42 | 25 | 39 | 13 | -122 | 148 |
|---|
| Subtotal | 192 | 384 | 499 | 834 | 1,061 | 519 | 1,182 |
|---|
| Interest and dividends received | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
|---|
| Income taxes paid | -52 | -58 | -127 | -103 | -288 | -296 | -196 |
|---|
| Net cash provided by (used in) operating activities | 139 | 325 | 371 | 730 | 773 | 223 | 986 |
|---|
| Purchase of property, plant and equipment | -20 | -21 | -52 | -4 | - | -8 | -69 |
|---|
| Purchase of intangible assets | -49 | -65 | -46 | -58 | -100 | -99 | -110 |
|---|
| Purchase of investment securities | - | - | - | - | -20 | -20 | -20 |
|---|
| Payments of guarantee deposits | - | -50 | -2 | -127 | -6 | -17 | -63 |
|---|
| Proceeds from refund of guarantee deposits | - | - | 2 | 0 | 40 | 5 | 5 |
|---|
| Payments for asset retirement obligations | - | - | -7 | - | -16 | -4 | -0 |
|---|
| Payments for acquisition of businesses | - | - | - | - | - | - | -53 |
|---|
| Other, net | -3 | -2 | -1 | -2 | - | -11 | -0 |
|---|
| Net cash provided by (used in) investing activities | -73 | -138 | -106 | -190 | -103 | -85 | -311 |
|---|
| Proceeds from issuance of shares | 153 | - | 1,964 | 5 | 87 | 18 | 0 |
|---|
| Purchase of treasury shares | - | - | - | -0 | -316 | -0 | -448 |
|---|
| Other, net | - | - | -1 | -0 | - | - | -0 |
|---|
| Net cash provided by (used in) financing activities | 166 | -130 | 2,027 | -91 | -229 | 17 | -448 |
|---|
| Net increase (decrease) in cash and cash equivalents | 231 | 57 | 2,293 | 448 | 441 | 156 | 228 |
|---|
| Increase in cash and cash equivalents resulting from merger | - | - | - | - | - | - | 218 |
|---|