Significant Accounting Policies - Marketable Securities (Details) - USD ($) |
Dec. 31, 2021 |
Sep. 30, 2021 |
|---|---|---|
| Marketable Securities | ||
| Marketable securities | $ 0 | $ 0 |
| X | ||||||||||
- Definition Amount of investment in marketable security. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- References No definition available.
|