| 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 |
16
xbrli:pure
|
19
xbrli:pure
|
15
xbrli:pure
|
13
xbrli:pure
|
14
xbrli:pure
|
17
xbrli:pure
|
14
xbrli:pure
|
17
xbrli:pure
|
14
xbrli:pure
|
15
xbrli:pure
|
| Average number of temporary employees |
xbrli:pure
|
xbrli:pure
|
xbrli:pure
|
xbrli:pure
|
xbrli:pure
|
xbrli:pure
|
xbrli:pure
|
xbrli:pure
|
xbrli:pure
|
xbrli:pure
|
| Average age (Years) |
43.4
xbrli:pure
|
— | — | — | — | — | — | — | — | — |
| Average length of service (Years) |
10.1
xbrli:pure
|
— | — | — | — | — | — | — | — | — |
| Average annual salary |
5,733,000
JPY
|
— | — | — | — | — | — | — | — | — |