| Concept |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2017-12-31 |
As at 2017-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|
| Employees | ||||||||||
| Information about reporting company | ||||||||||
| Information about employees of reporting company | ||||||||||
| Number of employees |
2
xbrli:pure
|
8
xbrli:pure
|
8
xbrli:pure
|
2
xbrli:pure
|
3
xbrli:pure
|
12
xbrli:pure
|
xbrli:pure
|
20
xbrli:pure
|
xbrli:pure
|
34
xbrli:pure
|
| Average number of temporary employees |
2
xbrli:pure
|
3
xbrli:pure
|
4
xbrli:pure
|
3
xbrli:pure
|
2
xbrli:pure
|
3
xbrli:pure
|
xbrli:pure
|
2
xbrli:pure
|
xbrli:pure
|
2
xbrli:pure
|
| Average age (Years) |
48.5
xbrli:pure
|
— | — | — | — | — | — | — | — | — |
| Average length of service (Years) |
2.30
xbrli:pure
|
— | — | — | — | — | — | — | — | — |
| Average annual salary |
5,613,335
JPY
|
— | — | — | — | — | — | — | — | — |